1. the average heart beats about 100,000 times a day.
is it true?
2. the heart is located inside the ribcage and just to the right of the breast bone.
is it false?
3. the heart has four chambers and is divided into a right and left side by a muscular wall called the septum.
is it true?
4. the two atria hold the blood that circulates away from the heart.
is it true?
5. the heart has four one-way valves, which open and close with each heartbeat.
is it true?
6. the tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles.
is it true?
7. arteries carry oxygen-poorblood from the heart to the body’s tissues and organs.
is it false?
8. since the arteries keep pace with the heart, you can measure the heart rate by counting the contractions of the arteries.
is it true?
9. capillaries are the largest of all blood vessels.
is it false?
10. the exchange of oxygen and carbon dioxide takes place through the capillary wall.
is it true?