Readings - McCafferty 2017

5 important questions on Readings - McCafferty 2017

What are the differences between white and brown fat?

White fat = lipid rich

Brown fat (BAT) = lipid rich and a high concentration of mitochondria for the generation of metabolic heat

Why does fat in marine mammals and diving birds have an isolating function?

Because the air layer within external insulation cannot be maintained underwater.

What is the major benefit of endothermy?

It allows the uncoupling fo internal thermal needs for maximal biological performance fron external constraints, and perticularly thermal constraints.
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What is thermal comfort or thermal neutrality?

The range of environmetnal themperatures over which emtabolic rate and therfore heat production does not change.

What is a thermal index?

The operatie environmental temperature that combines microclimate with properties fo an organism.

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