When the mammalian brain compares the actual temperature of the body to the preferred temperature of the body, which general component is being used?

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#Question id: 10232

#Unit 10. Ecological Principles

Which of the following is incorrect statement?

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#Question id: 11006

#Unit 7. System Physiology – Animal

Which of the following conditions will result in a dilated, flaccid heart?

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#Question id: 5669

#Unit 5. Developmental Biology

What is the reproductive difference between sea urchins and mammals is?

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#Question id: 23159

#Unit 13. Methods in Biology

Rhodamine is a fluorescent dye which emits a colour?

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#Question id: 16118

#Unit 7. System Physiology – Animal

Following statements are regarding to the heat production by the activation of sympathetic nervous system.

A. Activation is stimulation of β receptors in brown fat, which increases metabolic rate and heat production.

B. Activation is stimulation of α2 receptors in brown fat, which increases metabolic rate and heat production.

C. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasoconstriction. Vasoconstriction reduces blood flow to the surface of the skin.

D. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasodilation. Vasodilation reduces blood flow to the surface of the skin.

Which of the following combination is correct?