Answer:
Organ systems are organs that work together to perform a specific bodily function, so your answer is D
Explanation:
Atherosclerosis
is a condition that occurs when fatty substances (plaque) build up in blood
vessels. The
accumulation of the fatty substances can cause partial or complete blockage of
blood flow through an artery. Symptoms of this condition include a mini-stroke, pain
in the chest <span>and pain in the leg muscles during exercise.</span>
Alpha helices and Beta pleated sheets make up the secondary structure of protein.
Answer: False. HIV cannot reproduce on its own.