Olfactory receptors are examples of
A) pain receptors.
B) thermoreceptors.
C) mechanoreceptors.
D) chemoreceptors.
E) proprioceptors.
D) chemoreceptors.
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________ are teeth with flattened crowns and prominent ridges that are adapted for crushing and grinding
A) Molars B) Cuspids C) Eye teeth D) Canines E) Dentins
What is the primary method by which materials such as O2, CO2, and nutrients are exchanged between the blood and surrounding tissues?
a. passive diffusion across the capillary wall down their concentration gradients b. active transport across the capillary wall c. osmotic pressure drawing water and solutes out of the capillary and bringing these dissolved nutrients into contact with the tissue cells d. ultrafiltration and reabsorption e. bulk flow
Cholecystokinin decreases stomach motility and inhibits release of gastrin.
Answer the following statement true (T) or false (F)
Which hormone is primarily produced by the corpus luteum?
A) follicle-stimulating hormone (FSH) B) progesterone C) testosterone D) androgens E) luteinizing hormone (LH)