Skeletal muscles help in the movement of skeletal system
The answer is Muscle endurance
Answer:
Teenagers are always trying to look like adults and act cool and all, like vaping and smoking, driving at high speeds, showing off there money and all to be popular, almost all of them are dare devils and want to show it off, that is why they would go out and party/drink all the time and get into other bad situations.
Now there are 2 sides of it, teenagers may be participating in good behavior and taking a risk at the same time. This shows there bravery, passion and how much support they have in thereselves/will-power.
A person's breathing rate can be affected biologically if they have shortness of breathe, asthma, in some cases anxiety.
Environmental would be weather, if it is very cold their breathing rate will not be the same with moderate temperature.
Internal factor would be lungs. If a person has smoked or has any sort of lung damage or disorder this will affect whether the person has a normal breathing rate
A person cannot tell if another person has an STD by looking at them.