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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the extra cell in your blood cells
Answer:
B. gelisols
Explanation:
tundra soils are formed at high latitudes
Answer:Variation in traits can be caused by variation in protein molecules within individuals' cells. Protein molecules' structures affect their function and the way they connect to other molecules.
Explanation: ^^^ hope it helps :)
The Lysosome is the eukaryotic organelle responsible for cellular digestion. <span>Lysosomes hold enzymes that were created by a cell. They are known as "little digestion machines." A </span>Lysosome<span> is an organelle that breaks down other organelles that are no longer useful. Therefore, A would be the correct answer.</span>