Chapter 8 - The Skeletal and Muscular System

Question 1

What are the 3 functions of the human skeleton?

Answer 1

• Support
• Movement
• Protection

Question 2

What is a joint?

Answer 2

Where bones meet.

Most allow movement

Question 3

What is the function of muscles and joints?

Answer 3

To allow movement

Question 4

What are muscles made of?

Answer 4

Protein

Question 5

What are antagonistic pairs?

Answer 5

Two muscles which carry out opposite effects

Question 6

What is the job a a tendon?

Answer 6

When a muscle contracts the pull of the muscle is passed to the bone through a tendon. Tendons don’t stretch and this is why they can get damaged if we don’t warm up before excersise

Question 7

What is the job of a ligament?

Answer 7

Ligaments prevent joints from being damaged by reducing the amount of movement between the bones at a joint

Question 8

Fused joint

Answer 8

Eg skull
•Fixed or immovable
•No movement between bones

Question 9

Ball and socket joint

Answer 9

Eg shoulder

•Allows movement in all directions

Question 10

Hinge joint

Answer 10

Eg knee

•Allows movement in one direction only

Question 11

What are muscles?

Answer 11

Protein structures that can contract