The outermost tunic of the eyeball is the ________.
A. iris
B. sclera
C. retina
D. conjunctiva
E. choroid
Answer: B
Anatomy & Physiology
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Cross bridge interaction between actin and myosin in skeletal muscle is directly blocked by
a. acetylcholine b. triads c. Z lines d. calcium e. tropomyosin
Anatomy & Physiology
The part of the aorta that gives rise to the left common carotid artery is the
A. ascending aorta. B. aortic arch. C. thoracic aorta. D. abdominal aorta.
Anatomy & Physiology
Both olfactory receptor cells and taste receptor cells are ________
A) surrounded by epithelial support cells B) sensitive to chemicals in the air C) located within specialized structures called papillae D) capable of detecting more than one special sensation
Anatomy & Physiology
What secretes the aqueous humor?
A) ciliary body B) lens C) iris D) vitreous humor
Anatomy & Physiology