Biology, 08.04.2021 22:20, alyssamiller401

3. What is one trait that is different between Jawless Fish and Sharks?

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Biology, 22.06.2019 05:50, lexi1268

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

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Biology, 22.06.2019 06:30, 10040813

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

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Biology, 22.06.2019 07:30, ebookhardt917

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

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Biology, 22.06.2019 09:00, aek02

How does science influence the decisions made about social, economic, and political issues?