Skeletal System

Question 1

What is a synovid joint?

Answer 1

Freely moveable joints

Question 2

What direction can muscles move?

Answer 2

Pull not push

Question 3

What to muscles do when they contract? (2)

Answer 3

1. They shorten
2. Tendons pull on the bones to move them

Question 4

How many muscles work together and why?

Answer 4

Muscles work in pairs as they can only pull

Question 5

What happens when you pull your arm up? (2)

Answer 5

1. Bicep shortens/contracts
2. Tricep relaxes/lengthens

Question 6

What happens when your arm goes down? (2)

Answer 6

1. Tricep shortens/contracts
2. Bicep relaxes/lengthens

Question 7

What is an example of an antagonistic muscle pair?

Answer 7

The quadriceps and hamstrings.

Question 8

What does the quadricep do when the hamstring contracts?

Answer 8

It will relax and lengthen

Question 9

What two things do your bones do?

Answer 9

1. Produce red and white blood cells
2. Stores fat

Question 10

What 3 things does your bone provide for you?

Answer 10

Protection, support, movement

Question 11

What is an example of you bone protection?

Answer 11

Your skull protects your brain

Question 12

What is an example of support from your bones?

Answer 12

Skeleton provides frame for the body

Question 13

What is an example of movement from your bones?

Answer 13

Muscles are attachted via tendons as bones are rigid and solid