Which life decision is best for a busy student with too little time for regular exercise? O Ingest more caffeine to stay awake longer each day.
O Temporarily postpone exercise sessions to reduce stress.
O Drop one or more classes to free up more time for recreation.
O Create a schedule to commit time for physical activity.

The answer is the last one bc it’s the only one that doesn’t affect your health or schedule in a bad way

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe. 

True hope it