Which of the following is NOT one of the four functions of epithelial cells?
a. Observation
b. Protection
c. Absorption
d. Secretion
a
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Damage to _______ tissues almost always results in bleeding
Fill in the blank(s) with the appropriate word(s).
While you are putting wood into your wood stove, your hand comes in contact with the hot surface. Your body responds by pulling your hand away from the heat. How is this action accomplished?
a. One or more skeletal muscles receive a signal from the brain to contract. b. The smooth muscles in the arm automatically respond to heat. c. You use conscious thought to pull your hand from the heat. d. Extension of the ligaments in the elbow joint pulls the lower arm up.
What is a congenital condition in which tissue extends across the esophagus causing problems with swallowing?
A) esophageal interposition B) esophageal anastomosis C) esophageal destruction D) esophageal web
Guinea pigs should be given water in a bowl
Indicate whether the statement is true or false