Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
Gerald is lightheaded and tired from a lack of oxygen in his tissues. What is most likely the reason he feels this way?
Which gases are carried by red blood cells? Choose two correct answers.
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?
Which structure is also called the windpipe?
Which component of blood allows oxygen from the air to move from the lungs to cells of the body?
Which statement explains blood pressure?
Which statements describe the movement of blood through the heart? Choose two correct answers.
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