C) the changes reflect...
The events of inspiration begins with the;
Impulses are conducted on the phrenic nerve to muscle fibers in the diaphragm contracting them.
As the dome shaped diaphragm moves downward the thoracic cavity expands.
At the same time the external intercostal muscles may contract raising the ribs and expanding the thoracic cavity further.
The intra-alveolar pressure decreases
Atmospheric pressure greater than intra-alveolar pressure forces the air into the respiratory tract through the air passages.
The lungs fill with air.
Answer:
soluble molecules
Explanation:
Soluble molecules dissolve completely when mixed with water, hence forming a solution
Answer:
he feeds his turtle then it ggrows
Explanation:
You cant answer this without looking at the diagram. sorry.
