Body movements

The only movable bone in the skull is

• the upper jaw bone

• femur

• humerus

• mandible

Which of the following are the characteristics of the birds?

• Forelimbs modified as wings

• Hollow bones

• Strong muscles

• All the above

Muscular foot is a locomotary organ in

• Snakes

• Cockroach

• Earthworms

• Snails

Which of the following organs are protected by the rib cage

• Stomach

• Heart

• Lungs

• Both heart and lungs

The forward and backward movement of our head is possible because of presence of

• ball and socket joint where our neck joins the head

• pivotal joint where our neck joins the head

• hinge joint where our neck joins the head

• None of these

How many muscles are needed to move a bone ?

• 2

• 4

• 3

• 7

Name the muscles used to move the arm

• biceps ,femur

• triceps , liver

• biceps , triceps

• femur , liver

Which of the following are ball and socket joints?---
A) elbow joint
B)shoulder joint
C) Knee joint
D)Hip joint

•  a) A and B  
• b) B and C
• c) A and C
• d) B and D

Which part of birds are modified as wings?

• Hindlimbs

• Shoulder

• Forelimbs

• Beak

3.Muscles are attached to bones by a tissue called_____

• cartilage

• tendon

• ligaments

• joints