A
B
C
D
- DefecationExpulsion of feces from the digestive tract
- Defecation posturesHumans mostly use one of two types of defecation postures to defecate: squatting and sitti
- Development of the human bodyDevelopment of the human body is the process of growth to maturity. The process begins wit
- Developmental biologyStudy of how organisms develop and grow
- DigestionBiological process of breaking down food
E
- EggOrganic vessel in which an embryo first begins to develop
- Egg cellFemale reproductive cell
- Egg toothProjection used by offspring to break out of egg while hatching
- EmbryoMulticellular diploid eukaryote in its earliest stage of development
- ExcretionElimination of metabolic waste products by an organism
F
- FemaleSex of an organism that produces ovums
- FertilisationUnion of opposite-sex gametes in sexual reproduction to form a zygote
- FetusPrenatal organism between the embryonic state and birth
- Functional residual capacityFunctional residual capacity (FRC) is the volume of air present in the lungs at the end of
G
I
J
K
L
M
- MaleSex of an organism which produces sperm
- MenopauseTime when menstrual periods stop permanently
- Menstrual cycleNatural changes in the human female reproductive system
- MetabolismSet of chemical reactions in organisms
- MetamorphosisProfound change in body structure during the postembryonic development of an organism
- Microbial cystResting or dormant stage of a microorganism
- Microbial rhodopsinRetinal-binding proteins
- MoultingProcess by which an animal routinely casts off a part of its body
- Muscle contractionActivation of tension-generating sites in muscle
N
O
P
- PhotosynthesisBiological process to convert light into chemical energy
- PhysiologyScience regarding functions in organisms or living systems
- Plant reproductionProduction of new offspring in plants
- Plant reproductive morphologyParts of plant enabling sexual reproduction
- PollenGrains containing the male gametophytes of seed plants
- Pollen tubeTubular structure to conduct male gametes of plants to the female gametes
- PollinationBiological process occurring in plants
- PregnancyTime of offspring development in mother's body
- ProthallusGametophyte stage in the fern life cycle
- PubertyPhysical transition from a child to an adult
- PupaInsect life stage
R
S
- SemenReproductive biofluid of male or hermaphroditic animals
- Sexual characteristicsCharacteristics that distinguish the sexes, primary and secondary
- Sexual reproductionBiological process
- Sidalcea malvifloraSpecies of flowering plant
- SpermMale reproductive cell
- SporeUnit of reproduction adapted for dispersal and survival in unfavorable conditions
- SporophyteDiploid multicellular stage in the life cycle of a plant or alga