Which of the following is are the means of maintaining a constant body temperature of ${\text{37}}^{\text{0}}\text{C}$ when the ambient temperature is higher?

Sweating: It brings about evaporative cooling.

Vasodilation: In response to higher ambient temperature, blood vessels in the dermis of the skin dilate. Consequently, more blood flows through the dermis, which increases the amount of heat loss from the body.