Being Exposed to Radiation. Also, being exposed to harmful Toxins.
Answer:
They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.
Answer:
5. NREM
8. 9 to 9 1/2 hours
9. ninety minutes to two hours.
Explanation: Hopes this help
Qi. (che) [Chinese] chi or ch'i; one of the basic substances that according to traditional Chinese medicine pervade the body; a subtle influence or vital energy that is the cause of most physiologic processes and whose proper balance is necessary for maintaining health.
i hope this helps