Biology, 24.07.2019 13:00 alleshia2007
When food moves through the esophagus, the muscular contractions are wave-like. nutrients are absorbed in the esophagus. skeletal muscle carries out all of the muscular contractions of the wall. the muscular contractions are entirely involuntary. gravity is necessary to move food toward the stomach?
Answers: 1
Biology, 23.06.2019 00:00
Which of the following is situated at the base of the lungs? a. diaphragm. b. larynx. c. bronchi. d. pharynx.
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Biology, 23.06.2019 00:40
Omar paddles a canoe downstream at a rate of 5 mi/hr. the stream is flowing at a rate of 12 mi/hr. what is the actual velocity of the canoe? a: 5 mi/hr, downstream b: 7 mi/hr, downstream c: 12 mi/hr, downstream d: 17 mi/hr, downstream
Answers: 2
When food moves through the esophagus, the muscular contractions are wave-like. nutrients are absorb...
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