Which is an internal organ?
Brain
Legs
Nose
Arms
Which organ system in our body breaks down the food into smaller and simpler forms?
Respiratory system
Digestive system
Circulatory system
Nervous system
The set of 12 pairs of long curved bones that surrounds the chest is called the:
Skull
Backbone
Ribcage
Spine
Which joint permits rotational movements?
Pivot joint
Ball and socket joint
Hinge joint
Saddle joint
Parts of our body which can do a particular work are called:
Systems
Organs
Machines
Motors
The respiratory system in our body:
Breaks food into smaller forms
Transports food in the body
Supplies oxygen
Helps in birth of a body
All the bones in human body are joined together to form the:
Muscular system
Skeletal system
Which of the following protects human heart and lungs?
Rib cage
Humerus
Which joint do arms and legs have?
Freely movable joints
Slightly movable joints
Fast moving joints
Immovable joints
A group of organs working together to do one common work is called:
Organ system
Electrical system
Mechanical system
