NEET BIOLOGY

BIOLOGY IN HUMAN WELFARE

HUMAN HEALTH AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is involved in first line of defence
A
White blood cell
B
Antibody
C
Skin
D
Hormone
Explanation: 

Detailed explanation-1: -Skin, tears and mucus form the first line of defence of the body against microbial invasion. These are called so because they are the first barriers which the pathogens encounter when they enter a body during an infection.

Detailed explanation-2: -Urine flow Skin, tears and mucus are part of the first line of defence in fighting infection. They help to protect us against invading pathogens.

Detailed explanation-3: -The skin is part of the first line of defense protecting the body from infection. It harbors a range of immune cells, including Langerhans cells (Langerhans, 1868).

There is 1 question to complete.