• Gonadal hormones, particularly testosterone, stimulate red blood cell production (p. 370)
• The placenta permits exchanges of gases, nutrients, and waste products between the maternal and fetal blood (p. 672)
• Erection of the penis and clitoris results from vasodilation of blood vessels (p. 643)
Cardiac Output, Blood Flow, and Blood Pressure
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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...