Explain the gas exchange mechanism in humans.
A. Gas exchange happens in the skin, allowing for breathing through pores.
B. Oxygen is released from the blood in the kidneys and carbon dioxide is absorbed.
C. Gas exchange in humans occurs in the alveoli of the lungs, where oxygen is absorbed into the blood and carbon dioxide is released.
D. Gas exchange occurs in the stomach where nutrients are absorbed.
Select your answer:
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Musculoskeletal System Responses to Exercises › ViewWhat is the primary function of the Z-disc in muscle contraction?
A. Anchor myosin to actin filaments
B. Generate ATP for muscle contraction
C. Stabilize the sarcomere structure
D. Separate sarcomeres and define boundaries
Blood Cells › View
This part of the Blood is mostly water with protein from the Liver.
A. Plasma
B. Erythrocytes
C. Hemoglobin
D. Leukocytes