Which of the following is about the same size of our fists?
Heart
Lungs
Brain
Stomach
Which of the following are thin tubes that carry blood to all the parts of our body?
Small intestine
Wind pipe
Blood vessels
Which of the following system consists of the brain, the spinal cord and the nerves?
Nervous system
Circulatory system
Respiratory system
Digestive system
Which of the following system removes the waste from our body?
Reproductive system
Excretory system
Undigested food is thrown out of the body through:
Large intestine
Anus
Organs that are inside the human body are known as:
Internal organs
External organs
Mechanical organs
Electrical organs
Which of the following system helps to break the food we eat?
Skeletal system
Muscular system
Which of the following is an excretory organ?
Our brain is a part of:
A new born baby has more than:
206 bones
300 bones
301 bones
207 bones
