Endocrine glands ________.
Fill in the blank(s) with the appropriate word(s).
Answer: secrete chemical messengers that travel in the bloodstream
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Which type of transport proteins use cell energy to move molecules across the plasma membrane?
A. Cadherins B. Ligand-gated ion channels C. Leak-ion channels D. ATP-powered pumps
All of the following hormones regulate urine production except which one?
A. ANH B. Diuretic hormone C. Aldosterone D. ADH
One example of a multiaxial joint is the ________ joint.
A. humeroscapular B. humeroulnar C. proximal radioulnar D. atlantoaxial E. metatarsophalangeal
The pathway from the superior and inferior vena cavae, through the right side of the heart to the lungs is called the
A. coronary circulation. B. systemic circuit. C. hepatic-portal system. D. pulmonary circuit.