B; enlargement of the frontal lobe
hope this helps
Answer:
The purpose is to not have to do mouth to mouth CPR (conventional CPR)
Explanation:
The anxiety levels will start to grow for them when they get much older
Answer: Gasses are exchanged across the alveolar membrane.
The exchange of gasses takes place across the alveolar membrane of the lungs. Our respiratory system are composed of nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli) where gas exchanges between the blood and external environment by diffusion. Moreover, during the gas exchange, the oxygen enters the blood while carbon dioxide enters the alveoli.