Answer:
The answer is C: Expiration.
Explanation:
The phase of ventilation that carries air out of the lungs is known as expiration. The expiration is carried out by the contraction of the diaphragmatic muscle, located at the base of the lungs, increasing the intrapulmonary pressure, decreasing the thoracic cage and expelling the air from them; It also contributes to this intercostal muscles.
Answer:
Like the brain, the spinal cord is covered by the meninges and cushioned by cerebrospinal fluid. Spinal nerves connect the brain with the nerves in most parts of the body. Other nerves go directly from the brain to the eyes, ears, and other parts of the head.
The spinal cord is a single structure, whereas the adult brain is described in terms of four major regions: the cerebrum, the diencephalon, the brain stem, and the cerebellum.
Explanation:
Answer:
Some of the most serious medical conditions, such as cancer and birth defects, are due to abnormal cell division and differentiation. ... Therefore, scientists will have to be able to precisely control the differentiation of stem cells into the specific cell type on which drugs will be tested.
Explanation:
Explanation:
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