Mass transport in animals Flashcards
1
Q
Give the pathway a red blood cell takes when travelling in the human circulatory system from the kidneys to the lungs.
A
- renal vein
- vena cava to right atrium
- right ventricle to left atrium
2
Q
Explain how water from tissue fluid is returned to the circulatory system.
A
- proteins remain
- reduces water potential of blood
- water moves into the blood via osmosis
- returns to blood via lymphatic system
3
Q
What precautions should be taken when clearing away after a dissection?
A
- disinfect hands
- disinfect surfaces
- wear gloves when disposing of organ
- carry sharp instruments by the handle
4
Q
Explain how an arteriole can reduce blood flow into the capillaries
A
- muscle contracts
- constricts lumen
