Question

1. The bodys nonspecific defenses against invading pathogens include ?
A.antibiotics
B.mucus, sweat, and tears
C. antibodies
D. cytotoxic T cells

2. The body's most important nonspecific defense is ?
A. The skin
B. Cell mediated immunity
C. the inflammatory responce
D.permanent immunity

Answer 1

Hi, These are the answers:

1.The bodys nonspecific defenses against invading pathogens include ?B.mucus, sweat, and tears 

2. The body's most important nonspecific defense is ?A. The skin

Answer 2

Answer: Option B

Explanation: The body's non specific defense against invading the pathogens include mucus, sweat and tears.

The first line of defense is non specific which means that it is not specific to the antigens and kills the harmful microbes entering into the body.

The mucus, sweat and tears has enzymes present in it that kills the harmful microbes entering the body. These are always ready to .

Answer: Option A

Explanation: The skin also forms the most important first line of defense.

It is the physical barrier that stops the entrance of the microbes into the body. Skin is the outermost layer that is always ready to kills the microbes and it acts the first line of defense.

The outer layer of the skin is known as the epidermis that contains dead cells known as keratin. They are the tough, waterproof covering of the body. This is the reason the pathogens cannot enter the body through skin.