Blueberries contain sugars like glucose. what is the source of carbon for the glucose in blueberries?
a. carbon atoms in fertilizer
b. carbon dioxide gas in air
c. carbon dissolved in water
d. carbon molecules in the soil

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.