contestada

As exercise levels increase, which of the following physiological changes occurs in the respiratory system? A. The respiratory muscles shrink. B. The lungs expand in size. C. The trachea widens. D. The airways narrow. Please select the best answer from the choices provided. A B C D.

Respuesta :

angndonnie00

Answer:

B. The lungs expand in size

Explanation:

Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.

hodgek7613

Answer:

B is your correct answer sir.

Explanation:

Otras preguntas

ACCESS MORE