What is the last section of the large intestine?
A. Rectum
B. Sigmoid colon
C. Ascending colon
D. Cecum
Answer: A
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Astronauts in zero gravity are able to move food through their digestive tracts because ________
A) skeletal muscle puts pressure on the digestive tract B) smooth muscle produces waves of contractions that propel material through the digestive tract C) striated muscle creates a pressure gradient that forces material from one end of the digestive tract to the other D) cardiac muscle maintains a high pressure that moves material through the digestive tract E) skeletal muscle sphincters contract and allow materials to move through the digestive tract
The names of the muscles can indicate all of the following except
A) the angle of the muscle relative to the long axis of the body. B) the action of the muscle. C) the location of the muscle. D) structural characteristics of the muscle. E) collagen content of the muscle.
Which of the neurons is considered to be a bipolar neuron?
a) A b) B c) C d) All of the neurons. e) None of the neurons.