Life Processes ...

In the lungs, a high number of alveoli means:

It is necessary to separate oxygenated blood from the deoxygenated blood in mammals:

Match the columns.

Main function of kidney is:

The excretory system of human beings includes a pair of ............, a pair of ........... a ........... and a .......... which helps in the removal of metabolic wastes from the human body. 

An artificial kidney contains a number of tubes with a ________ lining, suspended in the tank filled with dialysing fluid.

A student poured alcohol on a plant continuously for a long time. Why can the plant not prepare its own food?

The $$.............$$ checks the entry of food into the respiratory tract.

Which life process is classified as autotrophic in some organisms and heterotrophic in others?

In humans, kidneys which help in the filtration of blood, are located in the ______ region, one on either side of the ______.