C is the answer I believe
Correct me if I’m wrong:)
Answer:
Arterioles connect with even smaller blood vessels called capillaries. Through the thin walls of the capillaries, oxygen and nutrients pass from blood into tissues, and waste products pass from tissues into blood. From the capillaries, blood passes into venules, then into veins to return to the heart.
Explanation:
Answer:
Skeletal System
Explanation:
Just took the same test and got all of the answers right
Answer:
A weakened immune system, increasing the risk of illness and infection. Heart conditions ranging from abnormal heart rates to heart attacks and collapsed veins and blood vessel infections from injected drugs.
Explanation:
hope this helps :)
Answer:
It develops when the immune system overreacts to a drug, dust, and ect.