EASY
NDA & NA EE
IMPORTANT
Earn 100

Perspiration cools the body because
(a)the presence of water on the skin is cooling
(b)evaporation requires latent heat
(c)water has a high specific heat
(d)water is a poor conductor of heat

50% studentsanswered this correctly

Important Questions on Human System-I
EASY
NDA & NA EE
IMPORTANT
'Lubb-dupp' sound is produced due to the action of

EASY
NDA & NA EE
IMPORTANT
Muscle fatigue is due to the accumulation of:

EASY
NDA & NA EE
IMPORTANT
In Egypt, ancient mummies can be found to have their arteries intact due to well-preserved:
