Answer:
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Answer:
8) trachea
11) alveoli
Explanation:
The trachea is the windpipe where the air paths to the lungs. The alveoli are tiny sacs at the end of the bronchioles that diffuse carbon dioxide and oxygen in the lungs.
The process of breathing in oxygen and breathing out carbon dioxide is
called
A. Walking
B. Digestion
C. Movement
D. Respiration
Answer:
The answer is D
Explanation:
What is the main function of
the respiratory system?
Answer:
To provide Oxygen and remove Carbon dioxide from the body and also to break down the food