Which of the following are true of the mesenteries?
(1) They are sheets of serous membrane.
(2) They suspend portions of the digestive tract within the peritoneal cavity.
(3) They are double sheets of peritoneal membrane.
(4) They provide an access route to digestive structures for nerves, lymphoids and blood vessels.
(5) They provide proprioceptive information to the spinal cord regarding the digestive organs.
A) All of the answers are correct.
B) None of the answers are correct.
C) 1, 2, 3, and 4 are true.
D) 1, 3, and 5 are true.
E) 2, 4, and 5 are true.
C) 1, 2, 3, and 4 are true.
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Which of the following is not a principle of the cell theory?
a. Most cells come from preexisting cells. b. Cells are the smallest things that can be alive. c. A cell's structure determines the cell's ability to function. d. All cells have certain fundamental structures and functions in common. e. Cells are the fundamental living building blocks of multicellular organisms.
The main function of tonsils is to detect and protect against infections agents that are
A. ingested or inhaled. B. in the lymph. C. secreted by salivary glands. D. in the blood.
A hernia is caused when tendons become inflamed
Indicate whether the statement is true or false.
The blood type that has antigen A on the cell and anti-B antibody in the plasma is:
a. type O b. type AB c. type A d. type B