1. Also called the circulatory system, it consists of the heart, blood vessels, and blood. It carries needed substances to cells and carries waste products away. It also carries cells that fight disease.

2. Blood is a connective tissue made up of two types of cell parts and plasma. It actually consists of plasma, wbc, and rbc. Plasma is the fluid part of blood. It is a mixture of water, minerals, nutrients, sugars, proteins and other substances. platelet White blood cell Red blood cell

3. platelet White blood cell Red blood cell A particle drifting in your blood that clump together to stop bleeeding. They make scabs and reduce blood loss.

4. platelet White blood cell Red blood cell Plasma is the fluid part of blood. It is a mixture of water, minerals nutrients, sugars and other substances.

5. Large blood vessels that carry blood away from the heart.

6. This is the circulation of blood between the heart and the lungs.

7. The circulation of blood between the heart and the rest of the body is called this.

8. Also called the circulatory system, it consists of the heart, blood vessels, and blood. It carries needed substances to cells and carries waste products away. It also carries cells that fight disease.

9. A hollow, muscular organ that pumps blood throughout the body.

10. Each of the two upper chambers in the heart that receives blood that comes into the heart.

11. Each of the two lower chambers in the heart are ventricles. They pump blood out of the heart.

12. A valve is a flap of tissue that prevents blood from flowing backwards.

13. A group of cells that is located in the right atrium, which sends out signals that make the heart muscle contract

14. Large blood vessels that carry blood away from the heart.

15. From the arteries blood flows into tiny vessels called capillaries. In the capillaries, substances are exchanged between the blood and body cells

16. From the capillaries, blood flows into the veins. Veins are vessels that carry blood back to the heart

17. From the left ventricle the blood is pumped into the aorta, the largest artery in the body.

18. When the ventricle muscles contract, they exert a force on the that is inside them.

19. The force exerted by blood on the inside walls of a blood vessel is called blood pressure. It is written in two numbers. The first number is called the systolic (contracted). The second number is called the diastolic (relaxed).