Author Question: Bergmann's rule a. states that a linear body with long arms and legs is optimal for cold ... (Read 122 times)

Wadzanai · **on:** Jul 10, 2018

Bergmann's rule

a. states that a linear body with long arms and legs is optimal for cold climates.
b. concerns the relationship between climate and shape and size of appendages.
c. states that bodies with increased mass or volume to surface area are optimal for cold climates.
d. is based upon the principle that as arms increase in length, there is a corresponding increase in surface area.
e. is based on the principle that heat is retained at the body surface.

Question 2

Vasodilation

a. reduce heat loss at the skin's surface.
b. can be caused by exposure to cold temperatures and some drugs like alcohol inhibits it.
c. is the widening or opening up of capillaries which, in turn, increases blood flow to the skin.
d. Reduce libido.
e. Is a myth.