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PCAT Biology Vascular Systems In Animals And Plants

Subjects : pcat, biology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Two lower chambers of the heart -extremely muscular






2. 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






3. Inappropriate response to certain foods and pollen that cause the body to form antibodies and release histamine






4. Branches into a series of arteries






5. Leukocytes involved in immune response and the production of antibodies (B cells) or cytolysis of infected cells (T cells)






6. Valve on the right side of the heart has three cusps






7. Composed of muscular - four-chambered heart - a network of blood vessels - and the blood itself






8. Where exchange occurs in arthropods






9. Heterotrophic cells that generally consume other cells or food particles -movement of gases and nutrients is a ccomplished by simple diffusion within the cell






10. Carry oxygenated blood from the lungs to the heart






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






12. In annelids - five pairs of vessels that connect the dorsal vessel to the ventral vessel and function as additional pumps






13. Secondary circulatory system distinct from the cardiovascular circulation - =vessels transport lymph to the cardiovascular system - thereby keeping fluid levels in the body constant






14. Have three cusps and are located between the left ventricle and the aorta and between the right ventricle and the pumonary artery (the pulmonic valve)






15. Two upper chambers of the heart -thin walled






16. Tissue involved in storage of nutrients and plant support






17. Swellins along lyph vessels containing phagocytic cells that filter the lymph - removing and destroying foreign particles and pathogens






18. The driving force of the circulatory system






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






20. Outer layer of xylem that is alive






21. Converts fibrinogen (another plasma protein) into fibrin






22. Transport deoxygenated blood from the heart to the lungs






23. Fetal red blood cells (which will have the Rh factor) enter maternal circulation during birth which cause the anti-Rh antibodies she produced when sensitized by the first birth may cross the placenta and destroy fetal red blood cells






24. When platelets come into contact with the exposed collagen of a damaged vessel - they release a chemical chemical that causes neighboring platelets to adherer to one another






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






26. Include arteries - veins - and capilleries






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






28. Involves cells that combat fungal and viral infection






29. Prevent extensive blood loss while the damaged vessel heals itself






30. Epidermis (outer-bark) - cortex - phloem - cambium - xylem - and pith






31. Cell fragments that lack nuclei and are involved in clot formation -involved in injury repair






32. Released by injured cells - which causes blood vessels to dilate - thereby increasing blood flow to the damaged region






33. Any liquid in a thin tube will rise becaUse of the surface tension of the liquid and interactions between the liquid and the tube






34. Innervates the heart via the vagus nerve and causes a decrease in the heart rate






35. Functions to absorb materials through the root hairs and anchor the plant -provide storage for energy reserves






36. Fluid left after blood clotting






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






38. Converge into venules and eventually into veins - leading deoxygenated blood back toward the heart






39. When hemoglobin bind to oxygen






40. A small mass of specialized tissue located in the wall of the right atrium regulates/originates an ordinary cardiac contraction -spreads impulses through both atria - stimulating them to contract simultaneously






41. Smallest diameter of all three types of vessels; red blood cells must often travel through them single file






42. Run up and down the stem at the center and contains xylem - phloem - and cambium cells






43. Produced by cells under viral attack and diffuse to other cells - where they help prevent the spread of the virus






44. Engulf and detroy foreign particles






45. Leukocytes that phagocytize foreign matter and organisms such as bacteria






46. Serve protective functions -aka WBC






47. Responsible for the proliferationof antibodies after exposure to antigens






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






49. Actively dividing - undifferentiated cells of a plant






50. Thick-walled - muscular - elastic vessels that transport oxygenated blood away from the heart







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