Ingestion refers to the
A) progressive dehydration of indigestible residue.
B) input of food into the digestive tract through the mouth.
C) chemical breakdown of food.
D) absorption of nutrients in the gut.
E) mixing of nutrients with digestive enzymes.
B) input of food into the digestive tract through the mouth.
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The layer between the tunica media and the tunica externa in a large artery is the
A) tunica intima. B) external elastic membrane. C) tunica media. D) internal elastic membrane. E) tunica externa.
Molecules known as ______________ ____________ are the building blocks of protein.?
Fill in the blank(s) with correct word
The formation of a pocket of the plasma membrane to bring in solid materials is called
A. pinocytosis. B. phagocytosis. C. facilitated diffusion. D. exocytosis.
What does structure "A" represent?
A. frontal bone B. occipital bone C. parietal bone D. sphenoid bone E. temporal bone