When the embryonic mass of cells develops an internal cavity, the mass of cells is called a/an ________.
A. embryonic disc
B. blastocyst
C. zygote
D. trophoblast
E. morula
Answer: B
Anatomy & Physiology
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The bar- and platelike tissue of spongy bone is called ________.
A. flagellite B. osteocytes C. osteon D. trabeculae
Anatomy & Physiology
Which of the following is NOT a role of connective tissue?
A. insulation B. protection C. support D. absorption
Anatomy & Physiology
The acidity of sweat contributes to the acid mantle that inhibits bacterial growth in the skin.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
If acetylcholine binds to muscarinic receptors,
A. Na+ channels open. B. Ca2+ channels open. C. adrenaline is released. D. G proteins mediate the cell's response. E. the response is neither excitatory nor inhibitory.
Anatomy & Physiology