Endothelial cells that line the inside of blood vessels:
A) are nonliving cells made of protein.
B) are made of epithelial squamous cells.
C) regulate blood flow and coagulation.
D) are composed of specialized nervous tissue
Answer: C) regulate blood flow and coagulation.
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Which of these images represents the position of the Earth during an equinox?
a. A and B b. B and C c. C and D d. B and D e. A and D
Guttation is the process most responsible for moving water and minerals through the plant. Indicate whether the statement is true or false
An instrument that will come into contact with only the skin of a patient should be disinfected with a(n)
A) high-level germicide. B) low-level germicide. C) intermediate-level germicide. D) degerming agent only. E) germistatic agent only.