List and describe the cells and chemicals the body uses as its second line of defense
What will be an ideal response?
1. Phagocytes, such as neutrophils or macrophages, engulf foreign particles. These cells are in nearly every body organ and confront pathogens that make it through the surface membrane barriers.
2. Natural killer cells, found in blood and lymph, are lymphocytes. They can lyse and kill cancer cells and virus-infected body cells.
3. The inflammatory response is a nonspecific response that occurs when body tissues are injured.
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The opening or closing of the glottis involves rotational movement of the
A) vocal folds. B) vestibular folds C) rima glottidis. D) arytenoid cartilages. E) cricoid cartilages.
The periosteum is anchored to the bone by collagen fibers called ________ fibers.
A. transverse B. cementing C. connecting D. penetrating E. perforating
_____ is responsible for regulation of inflammation and blood clotting
Fill in the blank(s) with the appropriate word(s).
Which blood vessel drains deoxygenated blood from the portion of the body below the chest?
A. Subclavian vein B. Superior vena cava C. Inferior vena cavae D. Aorta