Muscular System

• Exercise increases the number of carriers for the facilitative diffusion of glucose in the muscle cell membrane (p. 343)

• Ca2+ transport processes in the endoplasmic reticulum of skeletal muscle fibers are important in the regulation of muscle contraction (p. 336)

• Voltage-gated Ca2+ channels in the cell membrane of smooth muscle open in response to depolarization, producing contraction of the muscle (p. 355)

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Blood Pressure Health

Blood Pressure Health

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...

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