Kristen is running a half marathon. By her tenth minute of running, her breathing rate has increased from her resting rate.Which statement best describes how her tissues are responding to her running?
Cells need oxygen to make energy. Oxygen-rich blood is transported to tissues. When the oxygen is dropped off, it needs to move through structures that are small and thin.Which vessels allow for oxygen movement into the tissues?
Gerald is lightheaded and tired from a lack of oxygen in his tissues.What is most likely the reason he feels this way?
The is the fluid component of blood.
Which best describes carbon dioxide’s path out of the body?
Which statements describe the movement of blood through the heart? Select two options. Blood from the veins enters the ventricles.Atria and ventricles contract at the same time.Atria push blood into the ventricles.Valves allow for two-way blood flow.Ventricles push blood out of the heart.
Which component of blood allows oxygen from the air to move from the lungs to cells of the body?
Which is located inside the lung?
At the site of gas exchange in the lungs, where does the oxygen move?
Which statement explains blood pressure?
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