matthewpyles15 matthewpyles15

06-05-2024
Biology

Answered

C. Respiratory System and Endocrine System
1. Why is it necessary for the trachea to have rings of cartilage in its walls?
tive
2. What is the purpose of the hormone thyroxine, which is produced by the thyroid gland?
3. Why do the lungs have a large number of blood vessels?
4. Explain what must happen for the lungs to expand, allowing you to inhale.
5. Why is it necessary to close the opening of a puncture wound in the chest?
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