Answer:
Internal can be you don't want bad things happening to your body, you don't want drugs affecting your health,etc.External could be you don't want it to affect your family or people around you.For example, like a cigarette if you are smoking in public you can be affecting others passing by or hanging out with you(external)but if it's just you by yourself smoking it is damaging your lungs(internal)
It depends, in Europe, you mainly can be 18, however, in America the limit is 21.
Answer:
Sleep
Explanation:
It is the state in which the consciousness is altered and is characterised by the following feature
- Reduced muscular activity
- The response to the outer stimuli is decreased
- There is stage of rapid eye movement in the deep sleep
During sleep, there are different changes that occur in the body such as decrease in blood pressure ,changes in the brain activity ,change in the breathing rate and body temperature.
The amount of sleep needed by an individual changes as the body ages , for example a baby needs more sleep than the adult ,who needs 6-8 hours per day to function properly .
This is a very general question. There are many diseases that cause this. Some that I can think of are Parkinson’s disease, Huntington’s disease, and cerebral palsy.
