Answer:
heath condition, eating habits, body temperature, and gender can also affect a heart rate.
C. Phobias are irrational fears about something. They are "irrational" because a person may fear something that would not logically pose any real threat or harm, such as fearing small spaces (claustrophobia) like elevators because one might feel like they are suffocating, even though elevators obviously do not cause people to suffocate.
Answer:
The most likely to happen if an athlete breaks his arm and must wear a cast and not use that arm for six weeks'Muscles in the injured arm will get smaller because they are not being used.'
Explanation:
So therefore when an arm is broken it is only the bone that is broken the muscle remains intact but use of the arm within that period is what will determine the increase or decrease of muscle strength.
since by the statement above we have been able to establish the fact that the arm is not being used then we can conclude that strength of the muscle will decrease.
I would go for B. Production of immune cells
