Across
- 1. Organ responsible for pumping blood.
- 5. The ______________ system consists of the heart and the blood vessels.
- 7. The blood _________ are the veins, arteries and capillaries.
- 8. The circulatory system is responsible for ___________ blood and substances throughout the body.
- 10. The heart __________ is the number of times the heart contracts to pump blood.
Down
- 2. Blood vessels responsible for carrying blood rich in oxygen.
- 3. Mantaining a healthy ________ helps promote good cardiovascular health.
- 4. The channels through which blood __________
- 6. Blood vessels that carry blood from all the organs back to the heart.
- 9. The heart ________ is the rate at which the heart beats.