It has been known that the greatest cause of muscle atrophy is lack of physical activity, that contributes to your muscle to waste away. This can possibly happen when you accidentally injured yourself or might have a certain disease that makes it for you difficult or to move your body as well.
Plants release oxygen through the process of photosynthesis which helps the animals for respiration. They also maintain the balance of oxygen and carbon dioxide in the atmosphere. That is why the forests are called green lungs.
Answer: To be able to reach the food they need.
Explanation:
Giraffes feed off of high trees. In order to get that food, they were forced to naturally adapt to the height of the trees.
The exceptions to this rule are the pulmonary arteries and veins.
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The pulmonary artery is the one that carries deoxygenated blood from the right side of the heart (ventricle) to the lungs. On the other side, pulmonary veins transfer oxygenated blood from the lungs to the heart (left atrium).</span>
The answer is A, because the 'filling' is the jelly like cytoplasm and the edge is the cell wall
