Answer:
Metabolism is the process that involves the use of energy from food for the growth and repair of body tissues. Through the chemical process of metabolism, the food we eat is broken down into smaller components to supply energy for vital bodily processes and functions.
Explanation:
Answer:
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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.
