1. Renal vein
2. Hepatic portal vein
3. Pulmonary artery
4. Pulmonary vein
Pulmonary vein
1. a group of veins carry oxygenated blood and other group conduct deoxygenated blood
2. oxygenated blood runs from heart to different organs by one set of vessels, while deoxygenated blood runs from heart to lung by another set
3. the two different system never meet
4. All of the above
oxygenated blood runs from heart to different organs by one set of vessels, while deoxygenated blood runs from heart to lung by another set
1. serum
2. RBC
3. plasma
4. haemoglobin
RBC
1. AV-node —> Bundle of His —> SA-node —> Purkinje fibres —» Heart muscles
2. AV-node —> SA-node —> Purkinje fibres —> Bundle of His —» Heart muscles
3. SA-node -» Purkinje fibres —» Bundle of His —>AV-node —» Heart muscles
4. SA-node —> AV-node —» Bundle of His —» Purkinje fibres —> Heart muscles
SA-node —> AV-node —» Bundle of His —» Purkinje fibres —> Heart muscles
1. man
2. earthworm
3. cockroach
4. frog
cockroach
1. frog, green lizard and fish
2. garden lizard, crow and eagle
3. cow, dog and sheep
4. tiger, salamander and lizard
garden lizard, crow and eagle
1. 6.0
2. 9.0
3. 3.0
4. 7.0
6.0
1. water and electrolyte balance
2. carbohydrate metabolism
3. steroid and hormone secretion
4. blood pressure
water and electrolyte balance
1. three
2. two
3. one
4. four
three
1. distal convoluted tubule
2. descending limb of loop of Henle
3. ascending limb of loop of Henle
4. collecting duct
descending limb of loop of Henle