At higher altitudes the passengers encounter dangers like bursting of body cells, bleeding of noses. Give reasons.

Our body is accustomed to high atmospheric pressure on ground. If we encounter, a low atmospheric pressure as is th case on high altitude we will experience the bursting of body cells, bleeding of nose and a high blood preussure. But in space, where astronauts dare to travel, atmospheric pressure does not exist at all. How do they cope with such condition?

At higher altitudes body overcome altitude sickness by increasing

Clusters of egg cells are not considered as tissue. Give reason.

Haploid cells also undergo mitotic cell division. Give reason.

Antibiotics destroy the bacterial cells in the host body without causing harm to the host cells. Give reason.

Netrophils act as body's natural antibiotics. Give reason.

Viruses are living organisms without cells. Give reason.

Water plays an important role in the functioning of our body Give reason.