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Goryan [66]
3 years ago
7

Beta blockers are beta receptor antagonists that act on the beta receptors in the heart, causing A. increased cardiac output. B.

increased heart rate. C. decreased heart rate. D. no change in heart rate.
Biology
1 answer:
UNO [17]3 years ago
7 0
C. decreased heart rate.
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3 years ago
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Name the clear watery liquid that surrounds the brain and spinal cord and fills the four cavities or ventricles of the brain.
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Answer:

<em><u>CERE</u></em><em><u>BROSPINAL </u></em><em><u>FLUID</u></em>

<em><u>(</u></em><em><u> </u></em><em><u>CSF)</u></em><em><u> </u></em>

Explanation:

  • the clear watery liquid that surrounds the brain and spinal cord and fills the four cavities or ventricles of the brain is known as CEREBROSPINAL FLUID

hope it's helpful

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