The Circulatory and Respiratory Systems Answers
Gerald is lightheaded and tired from a lack of oxygen in his tissues.What is most likely the reason he feels this way?
Which statement explains blood pressure?
Which is the next structure to contact air after it passes from the nose to the nasal cavity?
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?
Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
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 gases are carried by red blood cells? Select two options.oxygen heliumcarbon dioxide nitrogen hydrogen
Which is located inside the lung?
The picture represents the respiratory system.
Which component of blood allows oxygen from the air to move from the lungs to cells of the body?
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