Which of the following provides the best example of the parts of a system working together to achieve a specific function?
A-Specialized cells in a plant’s leaf open and close in response to changing conditions.
B-Red blood cells are capable of transporting oxygen because of their chemical composition.
C-Glands in the mouth, the stomach, the pancreas, and the small intestine secrete chemicals that break down nutrients.
D-Animals that prey on other animals require the ability to move about in their environment.
Answers: 3
Biology, 22.06.2019 18:30, tyshunstephens0
Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i
Answers: 3
Which of the following provides the best example of the parts of a system working together to achiev...
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