Name two barriers, which prevent the entry of microbes in the body ?

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Solution

Microbes
Microbes are prevented from entering the body by physical barriers and the immune system.
Microbes are extremely little organisms that cannot be seen with the naked eye.
They can easily enter our bodies and cause problems by disrupting their functioning.

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Name two barriers, which prevent the entry of microbes into the body.

Read the following passage and answer the questions:

Our body has a defence system to protect against invading microbes. The outermost line of defence is the barrier that prevents the entry of microbes into the body, and if they enter, phagocytic cells kill the microbes. This forms the local defence system of the body. The innermost line of defence includes the formation of specific antibodies that combine with the antigen (microbe) and then destroy it. This is called specific immunity.

What are the mechanical barriers that prevent microbial entry into our body?

Q. Which one of the following acts as a physiological barrier preventing the entry of microorganisms in human body?

Assertion: pH of certain secretions in the body prevent the growth of many microorganisms.

Reason: It acts as a type of physical barrier which prevents the entry of microorganisms.

Q. Assertion (A) : pH of the body fluids prevent the growth of many organisms.
Reason(R) : It is a type of physical barrier which prevents the entry of microorganisms.

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Name two barriers, which prevent the entry of microbes in the body ?

Microbes Microbes are prevented from entering the body by physical barriers and the immune system.Microbes are extremely little organisms that cannot be seen with the naked eye.They can easily enter our bodies and cause problems by disrupting their functioning.

Microbes
Microbes are prevented from entering the body by physical barriers and the immune system.
Microbes are extremely little organisms that cannot be seen with the naked eye.
They can easily enter our bodies and cause problems by disrupting their functioning.