tatianasernaa tatianasernaa

27-03-2020
Biology

contestada

What is the immune system?

A. The group of cells and organs that protect the body from disease.

B. A group of cells that undergoes apoptosis to protect the body.

C. A group of organelles that digest particles that invade the cells.

D. The group of cells and organs that turn food into energy for the body.

Respuesta :

cbabie100 cbabie100

27-03-2020

Answer:

a .

Explanation:

a group of cells and organs that protect the body from disease

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mariteregomez878 mariteregomez878

27-03-2020

Answer:B

Explanation:The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease. ... Even simple unicellular organisms such as bacteria possess a rudimentary immune system in the form of enzymes that protect against bacteriophage infections.

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