The Circulatory and Respiratory Systems 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 is the next structure to contact air after it passes from the nose to the nasal cavity?
Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
Which best describes carbon dioxide’s path out of the body?
The picture represents the respiratory system.
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Which structure is also called the windpipe?
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?
Gerald is lightheaded and tired from a lack of oxygen in his tissues.What is most likely the reason he feels this way?
Which component of blood allows oxygen from the air to move from the lungs to cells of the body?
Which best describes carbon dioxide’s path out of the body?
Which is located inside the lung?
Which statements describe the movement of blood through the heart? Select two options.
Which gases are carried by red blood cells? Select two options.
At the site of gas exchange in the lungs, where does the oxygen move?
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