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Theoxygencarryingcomponentinredbloodcellsis

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Unformatted text preview: carbon dioxide into exhaled air D) determining O2 content in inhaled air 09. In a mammal, blood leaving the lungs goes to; A) the heart B) the limbs C) the liver D) the brain 10. The oxygen‐carrying component in red blood cells is; A) hemoglobin B) bicarbonate ions C) iron D) the cell membrane 11. Antibodies are; A) amino acids B) lipids C) carbohydrates D) proteins 12. What prompts a newborn to start to breathe? A) an increase in concentration of CO2 in the baby's blood B) a decrease in concentration of oxygen in baby's blood C) a change in the temperature on the surface of the skin D) exposure to air 1 2 BIO102 - EXAM 04 13. Which of the following statements regarding circulation is true? A) muscle contraction tends to pull blood downward into the lower parts of the body of a terrestrial vertebrate B) a standing giraffe requires a great deal more pressure to pump blood to head than an animal with a shorter neck C) valves in veins and muscle contractions pressing against veins slow down the return of blood to the heart D) gravity does not affect blood moving through the circulatory system 14. Two basic types of cir...
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