Regulation of Circulation and Reflexes

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10 Terms

1
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What higher brain centers regulate circulation?

Cerebral cortex, limbic system, hypothalamus.

2
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What receptors are involved in circulation regulation?

Proprioceptors, baroreceptors, chemoreceptors.

3
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What afferent fibers are involved in circulation?

Vagus (X), Glossopharyngeal (IX).

4
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Where is the cardiovascular integration center?

Medulla oblongata.

5
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What are the efferent fibers in circulation regulation?

Vagus (X), cardiac accelerator nerves, vasomotor nerves.

6
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What are the effectors in circulation regulation?

Heart, blood vessels.

7
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What is the chemoreceptor reflex?

Regulates BP/respiration based on CO2, pH, O2 levels.

8
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How do chemoreceptors affect circulation?

Detect CO2, O2, pH changes, signaling afferent nerves to adjust heart and blood vessels.

9
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How does moderate exercise affect circulation?

Increases heart rate and blood flow, improving cardiovascular health.

10
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How does intense exercise affect circulation?

Further increases heart rate and cardiac output, taxing the cardiovascular system.