Chapter 1

3. The number of times the heart beats in one minute.
4. Type of contraction where the muscles stays the same length. There is no movement of the joint.
6. The process of breathing in.
10. Small air sacs in the lungs where gaseous echange occurs.
12. Blood leaves the heart to go to the rest of the body through this blood vessel
14. The prime mover when kicking a football.
16. The phase of the heartbeat when the chambers of the heart contract and blood is ejected.
17. Bones that are quite large and usually protect vital organs
18. volume of blood pumped out of the heart by each ventricle during one contraction

1. Movement at the ankle where the foot flexes upwards
2. the colume of the blood ejected from the heart in one minute
5. The largest volume of air that cna be forcibly expired after the deepest possible inspiration.
7. the muscles or group of muscles that relax to allow the movement to take place.
8. Bands of elastic fibre that attach bone to bone
9. A sac filled with liquid, floating inside the joint, to reduce friction between tendon and bone.
11. The widening of the internal diameter of the blood vessel to increase blood flow.
13. This moves up and reduces the space in the chest cavity during expiration
15. The elbow and knee are examples of this type of joint