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PCAT Biology Vascular Systems In Animals And Plants
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PCAT Biology Vascular Systems In Animals And Plants
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25 Questions

1. Branch into arterioles

2. Modifies the rate of heart contraction

3. With the aid of its cofactors calcium and Vitamin K - converts the inactive plasma protein prothrombin to its active form - thrombin

4. Pumps oxygenated blood into systemic circulation (throughout the body)

5. Involves the production of antibodies and cell-mediated immunity

6. Specialized of the root epidermis with thin-walled projections increase the surface area for absorption of water and minerals from the soil

7. Two layers thick and are the actively dividing - undifferentiated cells that give rise to xylem and phloem cell layers; as they divide - the cells near the phloem differentiate into phloem cells - and the cells near the xylem differentiate into xylem

8. Supply plant cells with nutrients and remove waste products

9. Have open circulatory systems in which blood (interstitial fluid) is in direct contact with the body tissues -blood is circulated primarily by body movements

10. Valve on the left side of the heart that has two cusps

11. Secrete sweat - which contains an enzyme that attacks bacterial cell walls

12. Systole and diastole - which together make a heartbeat

13. Pumps deoxygenated blood into pulmonary circulation (toward the lungs)

14. Cells that are thick walled - often hollow cells located on the inside of the vascular bundle that carry water and minerals up the plant - and their thick walls give the plant its rigid support

15. Innervates the heart via the cervical and upper thoracic ganglia and causes an increase in the ehart rate

16. Relatively thinly walled - inelastic vessels that conduct deoxygenated blood toward the heart

17. Phloem - cambium - and xylem layers

18. The driving force of the circulatory system

19. As water evaporates from the leaves of plants - a vacuum is created pulls water up the stem

20. Branches into a series of arteries

21. Thin walled cells on the outside of the vascular bundle that transport nutrients down the stem -are living and include sieve tube cells and companion cells

22. Responsible for the proliferationof antibodies after exposure to antigens

23. Transport deoxygenated blood from the heart to the lungs

24. Excess interstitial fluid

25. Water entering the root hairs exerts a pressure that pushes water up the stem