Which number falls within the range of a normal bmi?

According to the article, when our sleep/wake cycle breaks down, we are at an increased risk for all but which select one: a. respiratory illnesses b. dementia c. diabetes d. heart disease

During weight training, when should you exhale? (hope) a. on the lift b. on the recovery c. before the set d. after the set

Rotation of the head is made in atlanto-occipital joint or not?