A. Both answers. Human action and natural events are both able to cause emergencies.
Answer:
your uvula
Explanation:
the flesh that hangs in the back of your throat -- helps you swallow and speak. But you can run into problems if it's larger than normal. A swollen uvula can cause a sore throat, redness, trouble breathing or talking, or a choking feeling.
Answer: A bone like structure that carries blood around the body. Other veins and bones send the blood recieved from another bone into another bone. This is how it works.
Explanation:
Hope my answer helps you.
No, I do not think it is the best way for them to be efficient.
