Essentials of Biology Study Set 4

Which statement is true about the arterial end of a capillary?

Which of the following is true about atrioventricular valves?

Which of the following statements is an inacurrate statement regarding the movement of blood through capillary beds?

Formation of plaques in atherosclerosis can lead to hypertension, blood clots, stroke, and heart attacks.

In the cardiac cycle, diastole is the

The two large lymphatic ducts deliver lymph to the subclavian veins.

In animals with four-chambered hearts, the left ventricle

Blood pressure

If the sinoatrial node fails in the heart,

The pulmonary circuit in a closed circulatory system functions in

A heart murmur is caused by

A leak in a blood vessel is closed first by platelets and then by fibrin threads.

In order for cells in multicellular organisms to exchange gases, a circulatory system must be present.

A four-chambered heart, veins, arteries, and capillaries are found in

In an open circulatory system,

Mammal blood serves to transport substances to and from the capillary beds.

Blood in veins is

One of the functions of blood is to help regulate body temperature.

When red blood cells are destroyed, the heme molecule is returned to the bone marrow to be used again.

A major evolutionary change between thefishcirculatory system and the circulatory systemsofamphibians, birds, and mammalians is the presence of a