Skeleton, Joints and Muscles
The flexor muscle for the elbow joint is the bicep. These bend the arm by contracting.

Skeleton, Joints and Muscles

This Science quiz is called 'Skeleton, Joints and Muscles' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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There are 206 bones in a human skeleton. These bones are connected by fixed, hinged, ball and socket and partly moving joints.

See how much you have learned in your Science classes by playing the following quiz all about the Skeleton, Joints and Muscles.

1.
Which is the extensor muscle in the arm?
Biceps
Deltoid
Quadraceps
Triceps
These straighten the arm by contracting
2.
The function of the skull is .......
to allow movement of the neck
to allow you to hear
to allow you to see
to protect the brain
3.
Antagonistic action of two muscles means .......
Both muscles contract
Both muscles relax
As one muscle contracts the other relaxes
Both muscles do nothing
4.
Which of the following are needed for healthy bones?
Calcium and vitamin C
Calcium and vitamin D
Iron and vitamin C
Iron and vitamin D
Calcium and vitamin D are found in eggs and milk
5.
Which of the following is NOT a bone in the arm?
Femur
Humerus
Radius
Ulna
The femur is in the leg - thigh bone
6.
The elbow is a hinge joint. Which is the flexor muscle?
Biceps
Deltoid
Quadraceps
Triceps
These bend the arm by contracting
7.
Muscles are joined to the bones by .......
cartilage
ligaments
patellas
tendons
8.
Which of the following is NOT a function (job) of the skeleton?
A framework of bones
Protecting organs
Supporting the body
To allow movement
A skeleton is a framework of bones but this is not its job
9.
At a joint the ends of the bones are covered in .......
cartilage
fluid
muscles
tendons
The cartilage stops the bones rubbing on each other and wearing away
10.
Bones are held together at a joint by .......
cartilage
ligaments
muscles
tendons
Author:  Sue Davison

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