Question: Q: What is the largest artery in the body called? Read this paragraph and choose the correct option from the provided answers: Flaps of tissue called valves separate the heart's chambers. Valves keep blood flowing in just one direction through the heart. For example, a valve at the bottom of the right atrium opens to let blood flow from the right atrium to the right ventricle. Then the valve closes so the blood can't flow back into the right atrium. Choices: - ventricular - carotid - radial - aorta A:
Answer: aorta

Question: Q: What nest of cells protect the egg as it matures in the ovary? Read this paragraph and choose the correct option from the provided answers: As you can see from the figure, the egg rests in a nest of cells called a follicle . The follicle and egg grow larger and go through other changes. The follicle protects the egg as it matures in the ovary. Choices: - the tube - the clump - the epidermis - the follicle A:
Answer: the follicle

Question: Q: A lymphocyte is the type of which cell involved in an immune system response? Read this paragraph and choose the correct option from the provided answers: A lymphocyte is the type of white blood cell involved in an immune system response. You can see what a lymphocyte looks like, greatly magnified, in Figure below . Lymphocytes make up about one quarter of all white blood cells, but there are trillions of them in the human body. Usually, fewer than half of the body's lymphocytes are in the blood. The majority are in the lymph, lymph nodes, and lymph organs. Choices: - red blood cell - white immunity cell - white brain cell - white blood cell A:
Answer:
white blood cell