Which of the following statements is true?
Blood in the heart only flows one-way.
The heart i...
Biology, 05.11.2020 18:30, granthazenp5e9mj
Which of the following statements is true?
Blood in the heart only flows one-way.
The heart is the largest organ in the body.
The ventricles receive blood from the body.
The atria pump oxygen-rich blood to the body.
Answers: 3
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The term used to describe a disease-causing microorganism isa. virus. b. infection. c. pathogen. d. microbe. e. bacterium.
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The instructions for making proteins come originally from
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Which muscle cell structure stores calcium ions that are used to trigger the contraction?
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