The first line of defence is

The first line of defence in the immune system is provided by

The first line of defence in the immune system is provided by

The first line of defence in the immune system is provided by

The first line of defence in the immune system is provided by

The first line of defence in the immune system is provided by skin. Discuss.

How does the skin serve as the first line of defence?

Skin is the first line of defence. Comment.

How does skin provide first line of defence against diseases?

Identify the incorrect statement(s) from the following i. Enzymes of panereatic juice not only digest the polypeptides but also polynucleotides ii. Bile juice has not only digestive enzymes but also bile salts ii Saliva is not only a digestive juice but also acts as first line of defence iv. The cells of pylorie glands not only seerete mucous but also gastrin hormone