Answer:
A.messages that are sent from the brain to body parts
It is swimming because you work your every muscle in your body it is the best sport
Stress is an inevitable part of life. If stress is just in small doses, it can be of help yet if it would be big already affecting one's physical and mental function then it becomes dangerous. Having too much stress can give negative feelings such as anger and depression leading then to be at risk of having health problems such as headaches, high blood pressure, heart problems,stroke and sometimes death which then Sammy can have since he is experiencing a lot of stress at his job.
Answer: They are highly communicable (spread from person to person)
Explanation: Not all STDs are curable most can get meds that make the symptoms not as but they will not cure the person. They do not always have symptoms some do not know they have it till testing has been done. They cannot spread through casual contact, sexual intercourse, oral, or kissing needs to happen. they are highly communicable because they can be passed from person to person through their methods of being passed.
