Isostatic stretching is a flexibility training which is in a advanced form. It should be performed with CAUTION. It is important to avoid isostatic stretches because they can disrupt muscle growth and it fatigue the muscles. Its recommended to do some warm up before doing these stretches honestly.
The receptor for smells are known as tastebuds which is answer D
Answer: I'm almost certain the answer is drinking alcohol with a friend.
Explanation: A peer can't influence something that is inherited and helping a friend with homework isn't risking anyone's health so the only other answer is drinking alcohol with a friend.