Blog

9. In pulmonary circulation, blood flows from the _____ of the heart to the lungs.

33. Of the three germ layers, the mesoderm forms the most body parts.

16. Which of the following is least involved in pulmonary circulation?        

15. What is the function of the hepatic portal system?

29. The foramen ovale ________.        

36. Which of the following is a water soluble vitamin?

28. The ____ is the bone like material that forms the bulk of the tooth.

19. A thrombus (blood clot) in the first branch of the arch of the aorta would affect the flow of blood to the ________.        

5. In the kidneys, the countercurrent mechanism involves the interaction between the flow of filtrate through the nephron loop of the juxtamedullary nephrons (the countercurrent multiplier) and the flow of blood through the limbs of adjacent blood vessels (the countercurrent exchanger). This relationship establishes and maintains an osmotic gradient extending from the cortex through the medulla’s depths, allowing the kidneys to dramatically varying urine concentration.

20. Atrial natriuretic peptide inhibits sodium reabsorption.