The plasma membrane of cells lining the small intestine has ________, which are specialized for absorption of nutrients
A) cilia
B) microvilli
C) dynein arms
D) flagella
E) a glycocalyx
B
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Hair and nails are both special keratinized products
Indicate whether the statement is true or false
Match the structure with the appropriate description.A. Formed when the right and left vertebral arteries uniteB. Supplies blood to the face, nose, and mouthC. Terminates by forming the middle cerebral arteriesD. Supplies blood to the arm and shoulder regionsE. Sense organs that monitor blood pressureInternal carotid artery
Fill in the blank(s) with the appropriate word(s).
This layer of skin is composed of keratinocytes.
A. Reticular layer B. Epidermis C. Dermis D. Subcutaneous layer E. Papillary layer
Which accessory organ produces secretions that moisten food?
A) Liver B) Salivary gland C) Pancreas D) Tongue