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_________________ are the chemical messengers that are secreted directly into the bloodstream.
A. Amino Acids
B. Hormones
C. Lipids
D. Neurotransmitters
Select your answer:
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Health and Diseases › ViewWhich factors contribute to positive health?
A. stress, anxiety
B. healthy balanced diet
C. plenty of exercise
D. balanced diet, exercise, access to medical care
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How do the sweat glands traverse the epidermis
A. by spiraling around the keratinocytes and open onto the epidermal surface
B. spirals around hair follicles and open onto the epidermal surface