Social relationships can improve or harm health...Improve is first : you can get to learn new things that can help you in life that would make your social relationship better like how you speak to someone. Now here is harm health : first you can get stress out from things that's is going on between you and your peer
Answer:
B
Explanation:
coz cancer is related to cells in the body whereas cardiovascular diseases related to the heart
The answer is D. All of the above
Answer:
The lungs are separated by the mediastinum. - c.
