Species & genders
- Animal & plant biology - general words
- Animal (non-human) behaviour
- Animal physiology: bodily fluids & their production
- Animal physiology: breathing & stopping breathing
- Animal physiology: excrement & its excretion
- Animal physiology: fat or well-built
- Animal physiology: fit & healthy
- Animal physiology: not sleeping & not unconscious
- Animal physiology: sleep & sleeping
- Animal physiology: the respiratory system
- Animal physiology: thin or slender (of people)
- Animal physiology: urine & urinating
- Animal reproduction
- Bacteria, moulds, germs & viruses
- Cells
- Descriptions of animal (non-human) markings
- Genetics
- Immunology & vaccination
- Zoology: ornithology & bird-watching
- Zoology: veterinary medicine
- Zoology: zoos & wildlife reserves
오늘의 단어
warm-hearted
kind and loving