Evaporation cause…………..
a) heating
b) cooling
c) both a and b
d) none of them
Explanation: high energy molecules are escaped in evaporation bring away heat from the body
Which of the following mechanism/s is the process of heat loss?
a) vasodilatation
b) vasoconstriction
c) both a and b
d) none of them
Explanation: the arterioles beneath the epidermis of skin dilate and more blood flows toward skin causing heat loss?
Vasoconstriction and vasodilation is concerned with……
a) osmoregulation
b) thermogenesis
c) thermoregulation
d) homeostasis
Which of the following mechanism/s is the process of heat conservation inside the body?
a) vasodilatation
b) vasoconstriction
c) both a and b
d) none of them
Which of the following structural adaptation/processes help/s the body to conserve heat and reduce its loss?
a) hair on the human body
b) fatty layer in the hypodermis
c) vasoconstriction
d) all of these
Human has well developed temperature control centre,………..
a) pituitary gland
b) spinal cord
c) hypothalamus
d) thyroid gland
