★ Nervous System Quiz
The primary function of the nervous system is to…
A. provide nutrients for the body.
B. send and recieve messages
C. circulate oxygen to sells
D. remove carbon dioxide from blood
Select your answer:

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Microrganisms › ViewThey can help with the production of dairy like yoghurt and cheese.
A. Virus
B. Bacteria
C. Fungi
Immunology › View
MHC molecules _____.
A. are secreted by T cells and bind and neutralize antigen in the serum
B. are membrane-bound molecules found exclusively on T cells
C. are recognized by T-cells
D. are conserved between individuals