1. Urine
2. Deamination
3. Transamination
4. Biosynthesis of urea
Biosynthesis of urea
1. Four legs
2. Lungs
3. Shelled eggs and internal fertilization
4. Four-chambered heart
Shelled eggs and internal fertilization
1. Uric acid
2. Salts and water
3. Glucose
4. Urea
Glucose
1. Pump salts out actively through the skin
2. Excrete large amount of salts in its urine
3. Excrete large amount of water in its urine
4. Conserve water
Conserve water
1. Fishes
2. Marine life
3. Protists
4. Amphibians
Protists
1. Deamination
2. Reabsorption
3. Pressure filtration
4. Tubular reabsorption
Deamination
1. Bowman’s capsule
2. Convoluted part
3. Collecting tubule
4. Neck
Convoluted part
1. Kidney
2. Liver
3. Lungs
4. Large intestine
Large intestine
1. Proterozoic
2. Mesozoic
3. Coenozoic
4. Psychozoic
Coenozoic
1. Oxytocin
2. Angiotensin
3. Vasopressin
4. Bradykinin
Angiotensin