Answer:
Element is a substance that cannot be broken down into simpler substances. Atoms are the smallest particle of an element. An element has a fixed composition because it contains only one type of atom.
Answer:
Oxygen enters the body in the mouth and nose, passes through the larynx and the trachea. The trachea splits into two bronchial tubes, which lead to smaller tubes that lead to 600 million alveoli, which are small sacs surrounded by capillaries. The capillaries take oxygen into the arteries, and the oxygen-rich blood is then pumped into every cell of your body. Once the oxygen has been absorbed, carbon dioxide and water are eliminated through the lungs.
Explanation:
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<span> the answer is D carbon dioxide.</span>
Answer:In most people, that protein is fully functional and results in blood cells that have a round shape and can bind with oxygen efficiently. What would happen if one small change occurs? The change in the sequence of HbS causes the blood cells to be shaped like sausages, rather than round
Explanation: