Over 99% of calcium in the body is found within the
a. liver and spleen
b. muscles and skin
c. bones and teeth
d. stomach and small intestine

Over 99% of calcium in the body is found within the c. bones and teeth. Calcium is a mineral present mostly in bones and teeth and helps them stay strong. Small amounts of calcium in bones are constantly being replaced with new calcium. However, if the body removes more calcium than it replaces, bones and teeth will become weaker.

Major sources of stress, such as a death or divorce, problems in family relationships, job loss, school, and substance abuse, can trigger or aggravate some mental disorders in some people. but not everyone who goes through those things develops a mental illness

The negative effects of smoking weed underage age includes:
regular use
heart problems
trouble breathing
mental health issues
academic issues
lower life satisfaction