AS biology- animal transport mini quiz
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?- Created by: Heiwa
- Created on: 27-11-12 13:50
Other questions in this quiz
2. hydrostatic pressure forces what 3 blood components out of the capillaries?
- water,ions and small molecules
- red blood cells,plasma and white blood cells
- erythrocytes, leukocytes and platelets
3. what controls the direction of blood flow in the heart?
- pulse
- heart valves
- pressure changes
4. What is an open circulatory system?
- where blood is held in vessels that are open to the atmosphere.
- where blood is in direct contact with the tissue,not in vessels.
- where blood is enclosed in vessels.
5. pulmonary circulation is the movement of blood from the heart to the ....
- brain
- lungs
- body
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