Answer:
Biotic creatures are living things, like animals, plants, and cells
abiotoc are the enviroment they live in like, forests, desserts and bodies of water
Explanation:
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Answer:
the nerves
Explanation:
the nerves send orders from your brain to your body
Answer:
Explanation:
The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles (such as a splinter) can also be antigens. The immune system recognizes and destroys, or tries to destroy, substances that contain antigens.
Your body's cells have proteins that are antigens. These include a group of antigens called HLA antigens. Your immune system learns to see these antigens as normal and usually does not react against them.
Option A would be the appropriate one as we know the common formula of carbs is CH2O we can get C10H20O10 by that formule! :)
Answer:
Cell is the basic , functional unit of life
An atom is the smallest unit of ordinary matter that forms a chemical element .
