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Immunity in Humans › Viewwhat is opsonisation
A. Antibodies combine with antigens and act as a marker for phagocytes to recognise the antigens and destroy them.
B. Antibodies combine with antigens and cause bacteria to be broken down and decomposed.
C. Antibodies bind with toxins produced by bacteria and neutralise the toxin.
Skeletal System › View
Why is it important to eat foods with a lot of calcium?
A. Calcium strengthens your bones.
B. Calcium helps you sleep.
C. Calcium makes you smarter.
D. Calcium supports heart health.