The endocrine system has that act as chemical messengers.

a. glands

b. hormones

c. alveoli

d. bronchioles

Patients in outpatient treatment centers and day treatment programs a.attend meetings at hospitals b.live at home c.stayin the clinic in the evenings and on the weekends d.live in the treatment facility

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

What are the components of an effective weight-training program? a. conditioning, progression, generalization, overwork, balance, and recovery b. overload, progression, specificity, regularity, recovery, balance, and variety c. overwork, coordination, motivation, conditioning, regularity, and variety d. consistency, progression, rest, regression, balance, and specificity