Biology, 15.12.2020 15:50, daniel7363
Blood vessels are muscular tubes that carry blood, sugar, and oxygen to the parts of the body. Nervous impulses cause these tubes to expand or contract. Which system do the vessels belong to?
Group of answer choices
circulatory
nervous
digestive
muscular
Answers: 2
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Answers: 3
Blood vessels are muscular tubes that carry blood, sugar, and oxygen to the parts of the body. Nervo...
Chemistry, 04.11.2020 09:30