In ________ cells, invaginations of the external plasma membrane and proteins found there allow us to detect different colors of light.
A. cone
B. pigment epithelial
C. rod
D. ganglion
E. bipolar
Answer: A
Anatomy & Physiology
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The stomach is different from other digestive organs in that it
A) has folds in the mucosa. B) has three layers of muscle in the muscularis externa. C) secretes digestive juice. D) moves by peristalsis. E) secretes digestive hormones.
Anatomy & Physiology
The minimum amount of stimulus required to depolarize an excitable membrane and generate an action potential is known as the ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
After menopause the anterior pituitary no longer produces FSH and LH.
a. true b. false
Anatomy & Physiology
Hair is produced by epithelial cells located in the
A. dermis. B. epidermis. C. hypodermis. D. dermis and hypodermis.
Anatomy & Physiology