Phagocytic cells of the alveolus are the
A. squamous alveolar cells.
B. alveolar macrophages.
C. septal cells.
D. alveolar type II cells.
E. alveolar type I cells.
Answer: B
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Which of the following is not true of the gastrointestinal tract?
a. It is about 9 feet long in adults. b. It is also called the alimentary canal. c. The material in the gastrointestinal tract is considered to be outside the body. d. All of the above are true of the gastrointestinal tract.
The specialized retinal ganglion cells cue the pineal gland about the presence or absence of light by sending their signals along the __________ to the suprachiasmatic nucleus
Fill in the blank(s) with correct word
The surface of the tongue is covered with ________ stratified squamous epithelium, and has bumps called ________, where many taste buds can be found
A) nonkeratinized; vallate papillae B) nonkeratinized; lingual papillae C) keratinized; lingual papillae D) keratinized; lingual frenulum E) nonkeratinized; tonsils
The extensor digitorum longus has which type of fascicle arrangement?
A) circular B) convergent C) unipennate D) bipennate