Understanding the Immune System

To protect the body from foreign antigens (correct)

To regulate body temperature

To produce hormones for regulating body functions

To produce and store red blood cells

To produce antibodies for immunity

To initiate the formation of red blood cells

To transport oxygen to the body's tissues

To form a plug and stick together around a wound site (correct)

Erythrocytes

Leukocytes

Plasma (correct)

Platelets

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