The diaphragm is the large flat muscle. hope that helps :)
Answer:
Explanation:
infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.
Hope it helps
I believe it is biosphear<span />
It is called PANGEA THE SUPERCONTINENT
