33.2 Biology Homework

Hemophilia is a genetic disorder that results from a defective protein in the clotting pathway. What do you think happens to a person with hemophilia who has a minor cut?

It would cause the cut to take a lot longer to stop bleeding or not at all.

Why do you think atherosclerosis may lead to hypertension?

Because if it causes the arteries to be too narrow, then the heart will start to struggle to push blood through, making high blood pressure to occur.

List the main function of plasma, red blood cells, white blood cells, and platelets.

The main function of plasma is to help control body temperature, transport fatty acids, hormones, and vitamins, and regulate osmotic pressure and blood volume. The main function of red blood cells is to move oxygen. The main function of white blood cells is to guard against infection, fight parasites, and attack bacteria. The main function of platelets is to produce blood clots.

What are the risk factors for the three common diseases of the circulatory system?

The risk factors that are controllable are diet, exercise, weight, not smoking, high blood cholesterol, high blood pressure, and diabetes. The uncontrollable risk factors are age, family history, and gender.