Which of the following results from the stimulation by nerve impulses generated in the respiratory center when they arrive at the muscles involved in inspiration?
A) contraction of the diaphragm
B) reduction in the efficiency of oxygen transport by the blood
C) increase in air pressure in the lungs
D) opening of the trachea
E) downward movement of the ribs

Question

Quizplus · Accepted Answer

The stimulation by nerve impulses from the respiratory center causes the diaphragm to contract, which is essential for inspiration as it increases the volume of the thoracic cavity, allowing air to flow into the lungs.

Which of the Following Results from the Stimulation by Nerve