Bronchi is divided up into many smaller tubes called:

Which gas turns calcium hydroxide solution into white or milky?

The lining of the nose produces a watery liquid called :

The smallest type of blood vessels is called :

What is the waste product of the liver?

The upper chamber of the heart into which the blood flow from the vein is called:

Which blood cell helps blood to clot at the site of wound?

Vein that transports oxygenated blood from the heart.