According to research on adherence to exercise programs, what percentage of individuals starting an exercise program will likely drop out after six months

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above