Question

fill - in - the - blank
read each item carefully and then complete the statement by filling in the missing words.

1. the heart is divided down the middle by a wall called the
2. the is the bodys main artery.
3. the ventricle pumps blood in through the pulmonary circulation.
4. electrical impulses spread from the node to the ventricles.
5. blood supply to the heart is increased by of the coronary arteries.
6. cells remove carbon dioxide from the bodys tissues.
7. blood pressure reflects the pressure on the walls of the arteries when the ventricle is at rest.
8. the heart has chambers.

Explanation:

1. The heart's middle - dividing wall is the septum.
2. The aorta is the main artery.
3. The right ventricle pumps blood through pulmonary circulation.
4. Electrical impulses spread from the atrioventricular node.
5. Vasodilation of coronary arteries increases blood supply.
6. Red blood cells remove carbon dioxide.
7. Diastolic blood pressure is when ventricle is at rest.
8. The heart has four chambers.

Answer:

1. septum
2. aorta
3. right
4. atrioventricular
5. vasodilation
6. Red blood
7. Diastolic
8. four