Which cells are the first to arrive at the site of inflammation?
a. Lymphocytes
b. Macrophages
c. Monocytes
d. Neutrophils
Answer: d. Neutrophils
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In birds, the muscular __________ grinds food before it enters the small intestine
Fill in the blank(s) with correct word
Choose the incorrect statement about the production of sound called the voice:
Speaking sounds are produced when the epiglottis vibrates. Thicker vocal cords produce deeper voice sounds. Laryngitis results when the vocal cords become swollen and thick and cannot vibrate easily. There are only two true vocal cords.
The adenohypophysis develops from which embryonic structure?
A. Pharynx B. Mesenchyme C. Hypothalamus D. Endoderm
What is not true of epithelial cells?
A) They regenerate readily. B) They are bound together to form sheets. C) They are richly vascularized. D) They have a free surface.