QUESTION 23 What are the three main components of the circulatory system? O hear

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QUESTION 23 What are the three main components of the circulatory system? O heart, blood vessels, and blood O heart, blood vessels, and lungs O heart, blood, and lymph O heart, arteries, and veins QUESTION 24 What is anemia characterized by? O low hematocrit O low white blood cell count O low plasma volume O low platelets count QUESTION 25 What are the two major control mechanisms that regulate the glomerular filtration rate (GFR)? O autoregulation and extrinsic sympathetic control autoregulation and intrinsie sympathetic control O extenal regulation and extrinsic parasympathetic control O internal regulation and intrinsic parasympathetic control

Explanation / Answer

Answer

23. Heart, blood vesseles and blood

24. Low hematocrit
Anemia is due to low RBC count
Hematocrit - ratio of the volume of red blood cells to the total volume of blood.

25. Autoregulation and Extrinsic sympathetic control.

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