Question

what are bodies own lines of Defence​

Answer 1

Answer:

Explanation: it

includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.

Answer 2

ANSWER :-

The human body consists of three lines of defences. These lines of defences as categorised as follows -

• First line of defence - The first line of defence comprises of barriers like (i) Physical barriers, (ii) Physiological barriers.

• Second line of defence - The second line of defence comprises of barriers like (i) Cellular barriers, (ii) Cytokine barriers.  

• Third line of defence - The third line of defence includes immunity (adaptive immunity).