1.B. Enzyme,2.A. Epiglottis,3.D. Stomach,4.D. Nephrons,5.B. Filtering the blood to remove wastes,6.A. Amino Acids,7.<span>A. Protein</span>
Answer:
1. Electrical impulses in the heart cause the muscle to contract.
2. To keep the blood flowing in only one direction
Explanation:
In the first question, the correct answer is ''Electrical impulses in the heart cause the muscle to contract''. Every muscle in our body contracts because of electrical impulses and this is also true for our hearts. Or any hearts in nature that we know of.
In the second question, the answer is ''To keep the blood flowing in only one direction''. We have those valves and without them, we wouldn't be able to function as we do.
Answer:
sickle cell anemia
Explanation:
People with sickle cell anemia have an abnormal version of hemoglobin. Hemoglobin is the protein that allows the red blood cell to carry oxygen through the body. This altered Hemoglobin is usually called sickle hemoglobin because of its "sickle" shape instead of the normal oval shape. Sickle Cell Anemia is hereditary.
It could be saying that you need to do it or not do it
