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20. Atrial natriuretic peptide inhibits sodium reabsorption.

18. Which of the following blood pressure readings would be indicative of hypertension?        

6. The left ventricular wall of the heart is thicker than the right ventricular wall because the left ventricle _____.

46. The ___ of the sperm contains the mitochondria which make ATP to power the swimming.

20. Which of the following is true about surfactant?

37. Which of the following is NOT a function of the kidneys?

37. If blood volume decreased dramatically due to massive bleeding, the autonomic nervous system will attempt to maintain cardiac output by increasing the heart rate.

26. The condition where fluid compresses the heart and limits its ability to contract is called ________.        

16. Which of the following is the function of the lymph vessels?

6.  In red bone marrow newly formed blood cells enter the circulation. You would expect to see many ________ type of capillaries in red bone marrow.