Key Terms

Question 1

Synovial Fluid

Answer 1

A clear and slippery liquid that lubricates the joint and prevents the bones rubbing together

Question 2

Cartilage

Answer 2

A tough but flexible tissue that acts as a buffer between the bones and prevents rubbing and cause friction

Question 3

Joint capsule

Answer 3

Tissue that stops the synovial fluid from escaping, encloses, supports and holds together the bone

Question 4

Synovial membrane

Answer 4

The lining inside the joint that secretes synovial fluid

Question 5

Bursae

Answer 5

A sac filled with fluid, floating inside the bone an which prevents friction between the tendon and the bone

Question 6

Tendons

Answer 6

Very strong non elastic cords that attach muscles to bone

Question 7

Ligaments

Answer 7

Bonds of elastic fibre that attach bone to bone which keeps the joint stable by restricting movement

Question 8

Tidal Volume

Answer 8

The normal amount of air inhaled or exhaled per breath. Tidal volume increases with exercise.

Question 9

Residual Volume

Answer 9

The amount of air that remains in the lungs after maximal expiration which does not change with exercise.

Question 10

Vital Capacity

Answer 10

The largest volume of air that can be forcibly expired after the deepest possible inhalation.