Skeleton And Muscular System

Question 1

How many bones in the body

Answer 1

Adult 206

Children more than 206

Question 2

Cartilage

Answer 2

Acts as a shock absorber , allow limited movement and stops bones rubbing off each other.

Question 3

Joint

Answer 3

Two bones meet

Question 4

Fused joint

Answer 4

Do not allow bones to move e.g skull

Question 5

Synovial joints

Answer 5

Allow bones to move

1. Hinge joint
2. Ball and socket.

Question 6

Ball and socket joint

Answer 6

Allows movement in several directions

E.g hip and shoulder.

Question 7

Hinge joints

Answer 7

Allows movement in one plane only

E.g knee,elbow,jaw and knuckles

Question 8

Synovial fluid

Answer 8

Acts as a shock absorber allowing bones to move and prevent friction

Question 9

Ligament

Answer 9

Tough, elastic fibres hold the bones together

Question 10

Tendons

Answer 10

Connect muscles to bone

Question 11

Antagonistic pairs

Answer 11

Muscles can only contract(get shorter)
-they can only pull bones.
The biceps contracts to pull up the lower arm. The triceps contracts to pull the arm down

Question 12

Functions of the skeleton

Answer 12

To support the body, to allow movement, to protect vital organs.

Question 13

Nervous system

Answer 13

Brain,spinal cord,all the nerves

Question 14

Sensory system

Answer 14

Sends a message to the brain from the sense organ

Question 15

Motor nerve

Answer 15

Sends a message from the brain to a muscle

Question 16

Messages

Answer 16

See sent along nerves as pulses of electricity

Question 17

The eye contains

Answer 17

The cornea,iris,lens,pupil,retina,optic nerve and ciliary muscle