Answer:
When the diaphragm contracts (it's a large flat muscle), it pulls the lungs down this causing expansion which eventually lead to inhalation of air. If it's injured, then that will be affected.
Contraction of muscle tissue happens without the use of energy.
Answer:
you need to water the tree three times a day and the air is always their so you don't need to worry about the air.
Answer:
D
Explanation:
The cleaner shrimp gets food while the eel gets the parasites off
