Across
- 2. cava a large vein carrying deoxygenated blood into the heart. There are two in humans, the inferior vena cava (carrying blood from the lower body) and the superior vena cava (carrying blood from the head, arms, and upper body).
- 5. any of the muscular walled tubes forming part of the circulation system by which blood is coveyed from the heart to all body parts
- 6. each of the two upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body; the left atrium receives oxygenated blood from the pulmonary vein.
- 7. muscle another term for myocardium.
- 9. each of the two main chambers of the heart, left and right.
Down
- 1. a partition separating two chambers, such as that between the nostrils or the chambers of the heart.
- 3. the main artery of the body, supplying oxygenated blood to the circulatory system. In humans it passes over the heart from the left ventricle and rueach of the two upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body; the left atrium receives oxygenated blood from the pulmonary vein.
- 4. a tube that has an internal diameter of hairlike thinness.
- 8. Any of the tubes forming part of the blood circulation system of the blood body,carrying in most cases oxygen depleted blood toward the heart