An intestinal hormone that stimulates the gallbladder to release bile is
What will be an ideal response?
cholecystokinin
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Glycoproteins and proteoglycans are combinations of amino acids and
A) carbohydrates. B) fatty acids. C) lipids. D) nucleic acids. E) inorganic compounds.
Answer the following statements true (T) or false (F)
1. The control of the volume of body fluid is an example of a negative feedback loop. 2. The regulation of blood pH is an example of a positive feedback loop. 3. The contraction of the uterus during childbirth is an example of a positive feedback loop. 4. The arms and legs are part of the axial body portion. 5. The head and trunk are part of the axial body portion.
Baroreceptors have stretch-sensitive ion channels in their cell membrane. Increased pressure on the membrane opens the channels and allows ion flow that initiates action potentials. What kind of ion probably flows through these channels and in which direction?
What will be an ideal response?
Which organ belongs to more than one organ system?
A) Pancreas B) Larynx C) Stomach D) Urinary bladder