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Krillion prompt · November 11, 2026

Name a bodily function or biological process (like breathing)

Krillion accepted 2,047 answers for this prompt in Dive #119. They’re all below, starting at the trench floor with the gem and rising to the Plankton everyone thinks of first.

Test a guess

Thinking of playing? Test a word before you look.

Notes on this prompt

  • With 2,047 accepted answers, this prompt is about 2.7 times wider than a typical Krillion prompt (about 761).
  • 1,834 answers (90%) are Deep Cuts and 143 are Rare, while 15 sit at Plankton.

Quick picks

The shortest Rare or deeper answers, easy to type before the timer runs out.

Reflex +60 Balance +60 Ketosis +60

Also accepted elsewhere

The same answer counted for a different prompt in the archive.

Every accepted answer

One in a Krillion

The gem picked for each prompt. Trench floor.

+100 · 1
  • Nasal cycle

    Nostrils take turns congesting, with waking shifts averaging roughly two hours.

Deep Cut

Real obscurity. This is where the list gets long.

+85 · 1,834
  • 2,3-Butanediol fermentation
  • 5' capping
  • Abdominal reflex
  • Abortive initiation
  • Absorptive state
  • Acclimatization
  • Acetyl-CoA synthesis
  • Acetylation
  • Acetylcholine breakdown
  • Acetylcholine synthesis
  • Acoustic reflex
  • Acrosome reaction
  • ACTH secretion
  • ACTH synthesis
  • Action potential
  • Active immunity
  • Activin secretion
  • Acute inflammation
  • Acute-phase reaction
  • Acylation
  • Adaptive immune response
  • Adenosine production
  • Adipocere formation
  • Adipogenesis
  • Adiponectin secretion
  • ADP production
  • ADP-ribosylation
  • Adrenarche
  • Adult neurogenesis
  • Aerophagia
  • Affective touch
  • Affinity maturation
  • Afterhyperpolarization
  • Afterpains
  • Agglutination
  • Aggrephagy
  • Agonal breathing
  • Airway remodeling
  • Alanine, aspartate and glutamate metabolism
  • Alarm reaction
  • Alcohol metabolism
  • Aldosterone escape
  • Aldosterone secretion
  • Aldosterone synthesis
  • Aldosterone-regulated sodium reabsorption
  • Alertness
  • Algor mortis
  • Alkaline tide
  • Alkylation
  • Allometric growth
  • Allostasis
  • Allosteric regulation
  • Alpha oxidation
  • Alpha rhythm
  • Alpha-chain T-cell antigen receptor gene rearrangement
  • Alpha-linolenic acid metabolism
  • Alternative complement pathway
  • Alternative splicing
  • Amelogenesis
  • Amination
  • Amino acid metabolism
  • Amino acid synthesis
  • Amino acid transport
  • Amino sugar metabolism
  • Ammonia detoxification
  • Amniotic fluid production
  • Amodal perception
  • Amoeboid movement
  • Amylin secretion
  • Amylin synthesis
  • Anabolism
  • Anagen
  • Anal wink
  • Anaphase
  • Anaphase I
  • Anaphase II
  • Anaphase lag
  • Anaplerosis
  • Anastasis
  • Androgen backdoor pathway
  • Andropause
  • Angiogenesis
  • Angiotensin activation
  • Ankle jerk reflex
  • Anoikis
  • Anti-Müllerian hormone secretion
  • Antibody-dependent cellular cytotoxicity
  • Antidiuretic hormone secretion
  • Antigen presentation
  • Antigen recognition
  • Antigen sampling
  • Antigen-antibody reaction
  • Antigenic modulation
  • Antimicrobial peptide production
  • Apocrine sweating
  • Apoptosis
  • Apoptotic body formation
  • Apoptotic signaling
  • Apperception
  • Appetite regulation
  • Appositional growth
  • Aqueous humor drainage
  • Aqueous humor production
  • Arachidonic acid metabolism
  • Arginine and proline metabolism
  • Arginine biosynthesis
  • Arnold's reflex
  • Aromatization
  • Arterial chemoreception
  • Arthrokinetic reflex
  • Ascorbate and aldarate metabolism
  • ASMR tingles
  • Assimilation
  • Associative learning
  • Astrocyte activation
  • Asymmetric cell division
  • Asymmetrical tonic neck reflex
  • Atg8ylation
  • ATP hydrolysis
  • ATP synthesis
  • ATP transport
  • Atrial function
  • Atrial natriuretic peptide release
  • Atrial natriuretic peptide synthesis
  • Atrial remodeling
  • Atrophy
  • Attentional blink
  • Attentional shift
  • Auditory fatigue
  • Auditory feedback
  • Auditory masking
  • Auditory scene analysis
  • Autobiographical memory
  • Autocrine signaling
  • Autoimmunity
  • Autolysis
  • Autonomic control of the heart
  • Autonomic regulation
  • Autophagic cell death
  • Autophagy
  • Autophosphorylation
  • Autoschizis
  • Avoidance learning
  • Axon ensheathment
  • Axon fasciculation
  • Axon guidance
  • Axon reflex
  • Axonal transport
  • Axonogenesis
  • B cell activation
  • B cell proliferation
  • B-cell heavy chain gene rearrangement
  • B-cell light chain gene rearrangement
  • B-type natriuretic peptide synthesis
  • Babinski reflex
  • Babkin reflex
  • Bacterial fermentation in the colon
  • Bainbridge reflex
  • Baroreception
  • Baroreflex
  • Barrier defenses
  • Basal electrical rhythm
  • Basal tear secretion
  • Base excision repair
  • Bekhterev–Jacobsohn reflex
  • Bekhterev–Mendel reflex
  • Bell's phenomenon
  • Beta rhythm
  • Beta-alanine metabolism
  • Beta-chain T-cell antigen receptor gene rearrangement
  • Beta-oxidation
  • Bezold–Jarisch reflex
  • Biceps reflex
  • Bile acid synthesis
  • Bile release
  • Bile storage
  • Bilirubin conjugation
  • Binaural fusion
  • Binocular rivalry
  • Binocular summation
  • Binocular vision
  • Biological motion perception
  • Biological transport
  • Biotin metabolism
  • Biotinylation
  • Bitter taste perception
  • Bladder filling
  • Bladder outlet relaxation
  • Blastulation
  • Blood bactericidal activity
  • Blood flow regulation
  • Blood pH regulation
  • Blood shift
  • Blood volume regulation
  • Blood-brain barrier formation
  • Blood-brain barrier transport
  • Body patterning
  • Bohr effect
  • Bolus formation
  • Bone conduction
  • Bone deposition
  • Bone growth
  • Bone loss
  • Bone maturation
  • Bone modeling
  • Bone regeneration
  • Bone remodeling
  • Bone resorption
  • Bowel control
  • Brachioradialis reflex
  • Brain aging
  • Brain development
  • Brain growth
  • Brain natriuretic peptide secretion
  • Brain renin-angiotensin signaling
  • Brain's reflex
  • Branch migration
  • Branched-chain amino acid catabolism
  • Braxton Hicks contractions
  • Breast crawl
  • Breast development
  • Brissaud's reflex
  • Bronchoconstriction
  • Bronchodilation
  • Brush border digestion
  • Bulbocavernosus reflex
  • Bulk endocytosis
  • Butanoate metabolism
  • Cadaveric spasm
  • Caffeine metabolism
  • Calcification
  • Calcitonin secretion
  • Calcitonin synthesis
  • Calcium homeostasis
  • Calcium oscillation
  • Calcium signaling
  • Calcium-induced calcium release
  • Caloric reflex
  • Calvin cycle
  • cAMP synthesis
  • Capillary exchange
  • Capillary refill
  • Carbamylation
  • Carbohydrate absorption
  • Carbohydrate catabolism
  • Carbohydrate digestion
  • Carbohydrate metabolism
  • Carbon dioxide production
  • Carbon dioxide transport
  • Carbon metabolism
  • Carbonylation
  • Cardiac action potential
  • Cardiac automaticity
  • Cardiac conduction
  • Cardiac cycle
  • Cardioception
  • Cardiovascular drift
  • Carnitine shuttle
  • Cartilage repair
  • Caseous necrosis
  • Catabolism
  • Catagen
  • Cataplerosis
  • Categorical perception
  • CDK7 pathway
  • Cell adhesion
  • Cell competition
  • Cell cycle arrest
  • Cell cycle checkpoints
  • Cell cycle phase transition
  • Cell death
  • Cell dedifferentiation
  • Cell differentiation
  • Cell division orientation
  • Cell fate determination
  • Cell fusion
  • Cell growth
  • Cell junction formation
  • Cell migration
  • Cell plasticity
  • Cell polarization
  • Cell proliferation
  • Cell signaling
  • Cell sorting
  • Cell spreading
  • Cell turnover
  • Cell-cell recognition
  • Cell-in-cell formation
  • Cell-mediated immunity
  • Cellular reprogramming
  • Cellular senescence
  • Cellular stress response
  • Cementogenesis
  • Central pattern generation
  • Central sensitization
  • Centrosome duplication
  • Cephalic phase
  • Cerebellum development
  • Cerebral autoregulation
  • Cerebral circulation
  • Cerebrospinal fluid circulation
  • Cerebrospinal fluid production
  • Cervical dilation
  • Cervical mucus production
  • Cervical ripening
  • Cervico-collic reflex
  • Cervico-ocular reflex
  • Cervico-spinal reflex
  • cGAS-STING signaling
  • Chaddock reflex
  • Chaperone-mediated autophagy
  • Chemesthesis
  • Chemical buffering
  • Chemiosmosis
  • Chemokinesis
  • Chemoreceptor reflex
  • Chemoreceptor trigger zone activation
  • Chemotaxis
  • Child development
  • Chloride shift
  • Cholecystokinin secretion
  • Cholecystokinin synthesis
  • Cholesterol metabolism
  • Cholesterol synthesis
  • Cholinergic transmission
  • Chondrocyte differentiation
  • Chondrogenesis
  • Chromatin remodeling
  • Chromosome condensation
  • Chromosome segregation
  • Chronic inflammation
  • Chunking
  • Churchill-Cope reflex
  • Chyle formation
  • Chylomicron formation
  • Chyme formation
  • Ciliary beating
  • Ciliospinal reflex
  • Cilium assembly
  • Circadian blood pressure rhythm
  • Circasemidian rhythm
  • Circaseptan rhythm
  • Citrullination
  • Clasp-knife response
  • Class switching
  • Classical complement pathway
  • Classical conditioning
  • Clathrin-independent endocytosis
  • Clitoral erection
  • Cloacal respiration
  • Clonal anergy
  • Clonal deletion
  • Clonal hematopoiesis
  • Clonal selection
  • Clonus
  • Clot retraction
  • Cluster feeding
  • Coagulative necrosis
  • Cofactor biosynthesis
  • Cognitive aging
  • Cognitive development
  • Cognitive flexibility
  • Cold sensation
  • Cold shock response
  • Collagen production
  • Collateral circulation
  • Collecting duct acid secretion
  • Collective-amoeboid transition
  • Colonic absorption
  • Colostrum production
  • Common coagulation pathway
  • Compensatory growth
  • Complement activation
  • Complement-mediated lysis
  • Comprehension
  • Concept formation
  • Conditioned emotional response
  • Conditioned reflex
  • Conditioned taste aversion
  • Consciousness
  • Consensual light reflex
  • Contact guidance
  • Contact inhibition
  • Convergence
  • Copper metabolism
  • Cori cycle
  • Corneal reflex
  • Corollary discharge
  • Coronary circulation
  • Corpus luteum maintenance
  • Cortical reaction
  • Cortical spreading depression
  • Cortisol synthesis
  • Costal breathing
  • Cotransport
  • Countercurrent heat exchange
  • Countercurrent multiplication
  • Crassulacean acid metabolism
  • Creatine synthesis
  • Creatinine formation
  • Cremasteric reflex
  • CRH secretion
  • Crinophagy
  • Cross-presentation
  • Cross-priming
  • Crossed extensor reflex
  • Crossing over
  • Cuproptosis
  • Cushing reflex
  • Cutaneous blood flow regulation
  • Cutaneous elimination
  • Cutaneous reflex
  • Cyclic alternating pattern
  • Cysteine and methionine metabolism
  • Cytokine release
  • Cytokinesis
  • Cytolysis
  • Cytophagocytosis
  • Cytoplasmic streaming
  • Cytoskeleton organization
  • Cytotoxicity
  • D-amino acid metabolism
  • Dazzle reflex
  • Dealkylation
  • Deamination
  • Decarboxylation
  • Decidualization
  • Default mode network activity
  • Defecation reflex
  • Degranulation
  • Dehydration synthesis
  • Delayed hypersensitivity
  • Delta waves
  • Delta-chain T-cell receptor gene rearrangement
  • Demineralization
  • Dendritic spike
  • Dentinogenesis
  • Dephosphorylation
  • Depolarization
  • Depolarization-induced suppression of inhibition
  • Derepression
  • Desensitization
  • Determination of affect
  • Detrusor contraction
  • Detumescence
  • Detyrosination
  • Developmental gene expression regulation
  • Developmental plasticity
  • DHEA secretion
  • Diakinesis
  • Diapedesis
  • Diaphragm contraction
  • Diastole
  • Dihydrotestosterone secretion
  • Dihydrotestosterone synthesis
  • Dimerization
  • Diplotene
  • Discrimination learning
  • Dishabituation
  • Disulfide bond formation
  • Disulfidptosis
  • Diuresis
  • Diurnal cortisol rhythm
  • Diving reflex
  • DNA damage response
  • DNA demethylation
  • DNA end resection
  • DNA fragmentation
  • DNA methylation
  • DNA re-replication
  • DNA synthesis
  • DNA unwinding
  • Dopamine reuptake
  • Dopamine synthesis
  • Dopaminergic transmission
  • Dopaminylation
  • Double-strand break repair
  • Down-regulation
  • Ductus arteriosus closure
  • Durotaxis
  • Ear growth
  • Early induced immune response
  • Ears popping
  • Eccrine sweating
  • Ectopic recombination
  • Efferocytosis
  • Eicosanoid synthesis
  • Elastic recoil
  • Elastin production
  • Electrolyte balance
  • Electron transport chain
  • Electrotonic conduction
  • Embryo hatching
  • Embryonic cleavage
  • Embryonic folding
  • Embryonic hematopoiesis
  • Embryonic induction
  • Emotion perception
  • Emotion processing
  • Emperipolesis

Rare

Genuinely uncommon. A strong pick on any prompt.

+60 · 143
  • Absorption
  • Active transport
  • Allergic reaction
  • Anaphylaxis
  • Antibody production
  • Balance
  • Bedwetting
  • Bile secretion
  • Binary fission
  • Bioluminescence
  • Blistering
  • Blood clotting
  • Blood pressure regulation
  • Blood sugar regulation
  • Blushing
  • Bone healing
  • Brain waves
  • Callus formation
  • Cell cycle
  • Cell division
  • Cellular respiration
  • Chemical digestion
  • Childbirth
  • Circadian rhythm
  • Color vision
  • Concentrating
  • Conception
  • Cortisol release
  • Daydreaming
  • Decision making
  • Decomposition
  • Depth perception
  • Detoxification
  • Diffusion
  • DNA repair
  • DNA replication
  • Dopamine release
  • Earwax production
  • Echolocation
  • Embryonic development
  • Endorphin release
  • Excretion
  • Executive function
  • Exhaling
  • Facial hair growth
  • Fat storage
  • Female ejaculation
  • Fetal development
  • Fetal movement
  • Fight-or-flight response
  • Filtering blood
  • Flinching
  • Forgetting
  • Gas exchange
  • Gleeking
  • Going gray
  • Grasp reflex
  • Growth spurt
  • Hair shedding
  • Heart racing
  • Homeostasis
  • Hormone secretion
  • Hot flashes
  • Human development
  • Hypertrophy
  • Hyperventilation
  • Hypnic jerk
  • Imagining
  • Immune response
  • Implantation
  • Inflammation
  • Inhaling
  • Insulin secretion
  • Ketosis
  • Kidney stone formation
  • Knee-jerk reflex
  • Labor contractions
  • Lactation
  • Lactic acid fermentation
  • Learning
  • Light sleep
  • Long-term memory
  • Losing baby teeth
  • Lucid dreaming
  • Mechanical digestion
  • Meiosis
  • Menopause
  • Mitosis
  • Molting
  • Morning wood
  • Mucus production
  • Muscle contraction
  • Muscle growth
  • Muscle memory
  • Nerve conduction
  • Neuroplasticity
  • Non-REM sleep
  • Nutrition
  • Osmosis
  • Ovulation
  • Pain perception
  • Passing a kidney stone
  • Passive transport
  • Peripheral vision
  • Peristalsis
  • Problem solving
  • Protein synthesis
  • Queefing
  • Reflex
  • REM sleep
  • Remembering
  • Rigor mortis
  • Rumination
  • Salivation
  • Scabbing
  • Scarring
  • Secretion
  • Sensation
  • Sexual arousal
  • Short-term memory
  • Sighing
  • Sleep cycles
  • Smegma formation
  • Spawning
  • Startle reflex
  • Stomach acid production
  • Swelling
  • Tanning
  • Tearing up
  • Thermoregulation
  • Throat clearing
  • Tickle response
  • Tissue repair
  • Transpiration
  • Trembling
  • Vaginal discharge
  • Voice breaking
  • Water breaking
  • Weight gain
  • Weight loss
  • Wet dream
  • Working memory
  • Wrinkling

Schooler

Solid, but you’re swimming with the crowd.

+30 · 54
  • Acid reflux
  • Aging
  • Bleeding
  • Bruising
  • Chewing
  • Circulation
  • Crying
  • Death
  • Diarrhea
  • Dreaming
  • Drooling
  • Ejaculation
  • Erection
  • Evolution
  • Fainting
  • Fever
  • Gagging
  • Goosebumps
  • Growth
  • Hair growth
  • Healing
  • Hearing
  • Hibernation
  • Hiccups
  • Joint cracking
  • Laughing
  • Menstruation
  • Metabolism
  • Metamorphosis
  • Muscle cramp
  • Nail growth
  • Orgasm
  • Panting
  • Photosynthesis
  • Pollination
  • Pregnancy
  • Puberty
  • Reproduction
  • Seeing
  • Seizure
  • Sex
  • Shivering
  • Smelling
  • Smiling
  • Snoring
  • Stomach growling
  • Swallowing
  • Tasting
  • Thinking
  • Throwing up
  • Touch
  • Twitching
  • Waking up
  • Wound healing

Plankton

The first thing everyone thinks of.

+10 · 15
  • Blinking
  • Breathing
  • Burping
  • Coughing
  • Digestion
  • Drinking
  • Eating
  • Farting
  • Heartbeat
  • Peeing
  • Pooping
  • Sleeping
  • Sneezing
  • Sweating
  • Yawning

More from Dive #119

Play along with the whole dive, spoiler-free →