Ex; 2 p. 45 . Complete the sentence using the word from the box.
muscle arteries right ventricle contraction veins septum left ventricle valve
waste right atrium left atrium circulation
1. The heart is a ,which is about the size of your fist.
2. The receives oxygenated blood from the lungs.
3. The receives deoxygenated blood from the venae cavae.
4. The receives blood from the pulmonary vein.
5. The pumps blood received from the venae cavae
6. A thick wall of muscle running down the middle of the heart is called the
7. Blood pressure closes ...… so preventing backflow.
8. carry blood away from the heart .
9. carry blood back to the heart.
