Biology-Skeleton

Question 1

What does the skeleton do?

Answer 1

Support,protects helps with muscle attachment

Question 2

What does it protect?

Answer 2

The heart,lungs,spinal cord and the brain

Question 3

What are bones are out of??

Answer 3

Flexible fibres and hard minerals

Question 4

Hinge joint

Answer 4

Can move back an forth

Eg. Knee and elbow

Question 5

Ball and socket joint

Answer 5

Can move all around

Eg. Ankle,shoulder

Question 6

What do ligaments do?

Answer 6

Holds bone together

Is able to withstand sudden stress during movement of joint

Question 7

Cartilage

Answer 7

Cushions and protects ends of bones reduces friction/shock absorber

Question 8

Ligaments

Answer 8

Holds bones together able to withstand sudden stress during movement of joint

Question 9

Synovial membrane

Answer 9

Produces synovial fluid

Question 10

How are muscles attached to bone?

Answer 10

With tendons

Question 11

Why are tendons inelastic?

Answer 11

So that the force can be transferred to the bone

Question 12

Synovial joints are?

Answer 12

Ball and socket joints and hinge joints

Question 13

How is movement brought about

Answer 13

Muscle contraction

Question 14

Why do we need opposing muscle at a joint?

Answer 14

Cuz muscles can’t contract by themselves they need to other one to pull on them

Question 15

What are te triceps and biceps?

Answer 15

Antagonistic muscles

Question 16

Tibia

Answer 16

The bigger leg bone

Question 17

Fibula

Answer 17

The smaller leg bone

Question 18

Radius

Answer 18

The bone parallels to your thumb

Slightly thicker then the ulna

Question 19

Ulna

Answer 19

The bone parallel to the pinky

Slightly thinner than the radius

Question 20

Coccyx

Answer 20

Tailbone

Question 21

What type of muscle are biceps and triceps?

Answer 21

Antagonistic muscles