The answer is D. Telegraph, telephone, cordless phone , mobile
Answer:
D
Explanation:
It is often like this: cell->tissue->organ->system
<span>Stress can lead to many dangerous diseases and puts unnecessary pressures o your body</span>
Saline solutions have the same or close to the same amount of salt as our blood does, so we get the amount of salt needed for our bodies. During blood loss, you lose the salt you need, so they're basically adding it back in with the saline solution, making your electrolyte balance go back to normal level. It also gives us the right amount of water to keep us hydrated.
Answer:
B.) the cell wall is like a skeleton but a bit weaker and when their is a lot of cell walls it could get rely strong.
Explanation: