“Imagine that your body is a space station named Homo sapiens . There are many e

Question

“Imagine that your body is a space station named Homo sapiens. There are many evil aliens that can invade and destroy the space station. These aliens are called ____1_______.

Surrounding the space station is a protective shield, which can often prevent the aliens from invading the space station. Because the shield helps to protect the space station against all types of aliens, it is called the ____2_____.

These are the options:

adaptive immune response

• antibodies

• IgG (antiserum or antitoxin)

• inactivated

• antigens

• innate immune response

attenuated

autoimmunity

B cells

cytotoxic (CD8) T cells

helper (CD4) T cells

• macrophages

• memory B and T cells • MHC
• sub-unit
• vaccinate

Explanation / Answer

1. These aliens are called antigens.

2. The protective shield is known as innate immune response

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