During the embryonic stage, the primary germ layers develop from the
A. morula.
B. embryonic disc.
C. blastocyst.
D. placenta.
Answer: B
Anatomy & Physiology
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Some integral proteins form ________ that let water molecules, ions, and small water-soluble compounds cross the membrane.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
The outermost meninx, the ________, envelops the brain and attaches anteriorly to the crista galli and inferiorly around the foramen magnum.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Changes in the rate and depth of breathing are regulated primarily by the:
A) pH of venous blood. B) pH of the CSF. C) saturation of oxygen and hemoglobin. D) amount of oxygen in the blood plasma.
Anatomy & Physiology
Identify the sesamoid bone of the lower limb
A) femur B) patella C) calcaneus D) fibula E) tibia
Anatomy & Physiology