The __________ system is made up of the nose, pharynx, trachea, lungs, bronchi, and alveoli.
The respiratory system is responsible for bringing __________ into the lungs and releasing carbon dioxide from the body.
The respiratory system controls __________, and the circulatory systems controls __________.
The __________ system is responsible for moving blood cells throughout the body.
The heart system is made up of the __________ , blood vessels, and blood.
Lungs are part of the respiratory system AND the circulatory system.
Blood is part of the respiratory system AND the nervous system.
Which of the following organs is part of the excretory AND circulatory systems?
How are the respiratory and circulatory systems similar?
What is the difference between an artery and a vein?
Blood enters the right side of the heart and travels to the lungs. There, the lungs eliminate __________ and exchange it for more oxygen.
Oxygen-rich blood enters the left side of the heart. Then, arteries carry blood _______ from the heart.
Air enters the nasal cavity. It goes into the pharynx and moves into the __________.
Air enters the right and left bronchus, where it is then delivered to the lungs. After air enters the alveoli, oxygen moves through the wall of the alveoli and into the _________.
As blood travels throughout the body, it delivers oxygen to organs and cells. Along the way it picks up carbon dioxide and delivers it to the ________, which then exhale and release it into the air.
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