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The Purpose of This Book
Photographs of the Real Thing
1 other sections not shown
abomasum acid adrenal air sacs albumen animal animal's body anti-bodies arteries back-bone bacteria bird birth bladder blood capillaries blood vessels bones breathing caecum calf called canal carbon dioxide cattle cavity chemical chewing chromosomes circulation cloaca conveyed cow's diagram diaphragm digestive juice digestive tract duct ductless glands duodenum endocrine glands enzymes excreted feathers female fertilised ovum fibre foetus follicle gene hair heart heat hormones incisors infection kidneys large intestine liver living cells lobes lungs lymph lymphatic male mammal mammary glands membrane milk mouth muscles muscular nerve nutrients oesophagus oestrus Omasum ovary oviduct ovum oxygen pancreas pass peristalsis pituitary plasma produce protein reaction red cells rumen ruminant sheep shell skin small intestine soluble sperms stomach substances sugar sweat teeth temperature thin thorax thyroid tissue trachea tubes tubules udder ureters urethra urine uterus veins Venous blood vertebrae walls waste products white cells yolk