Answer:
NK cells<em><u> perform all of these roles</u></em>
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hope this helps
-lvr
Answer: ionic, covalent, metallic bonding
Ionic - ionic bond also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
Covalent - occurs when pairs of electrons are shared by atoms.
Metallic - formed between positively charged atoms in which the free electrons are shared among a lattice of cations.
Hope this helped!
Answer:
Antigens are secreted by the endocrine system
Explanation:
The main job of the innate immune system is to fight harmful substances and germs that enter the body, for instance through the skin or digestive system. The adaptive (specific) immune system makes antibodies and uses them to specifically fight certain germs that the body has previously come into contact with
I believe the answer is a government report.
Hope that helps! :)
