Energy for the body growth is obtained from

Cardiac output = stroke volume × ______.

Which is called the functional unit of kidney?

_________ secretes digestive juice.

Which one is the excretory organ in our body?

The heart, blood and blood vessels constitute the__________ system.

Organs which found inside our body and cannot be seen are called 

The _________system helps in the movement of different body parts.

Which is the largest internal organ?

Food pipe is also known as