Which actions are involved in the immune response

regulating hormonal and autonomous responses
identifying and destroying harmful substances
increasing and supporting the ability of red blood cells to carry oxygen
regulating and adjusting the skin's secretion of sweat and oil

The correct answer is:

identifying and destroying harmful substances

Explanation:

The Immune rejoinder is the body's response created by its immune system being stimulated by antigens. This immune response can introduce resistance to pathogenic microorganisms and its products, The immune system protects the body from probably harmful substances by recognizing and responding to antigens.

i believe the answer is a or 1

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean