A warm up consist of a period of non-strenuous activity that slowly prepares the body for more vigorous exercise.
Most warm up will gradually increase in intensity. The muscle which was used can be different for each activity. <span>Not only athlete, </span>singer can do warm up too.
It enters the heart via the pulmonary veins
Answer:
Look the person in the eye.
In a firm voice, tell the person you don't want to drink or use drugs. Say something like: ...
Give a reason why you don't want to drink or use drugs. ...
Ask the person not to ask you to drink or use drugs again. ...
If you notice that someone does have drugs, leave the area.
Explanation: pls brainlist
Answer: D
Explanation: As a result of scarce resources, societies must answer three key economic questions: – What goods and services should be produced? – How should these goods and services be produced? – Who consumes these goods and services?