Mention the function of 'Alveoli' ?

Mention the function of haemoglobin in natural process.

Mention the function of the following (a) Ureters in frog (b) Malpighian tubules (c) Body wall in earthworm

Mention the functions of lenticels.

Mention the function of glycocalyx.

Mention the function of apical meristem.

Mention the functions of palisade & spongy parenchyma.

Name the types of teeth present in an adult human being. Mention the functions of each.

Mention the function of endosperm.

Mention two function of cortisol.