As sweat evaporates, we feel cold because
Heat for evaporation is taken from the body itself
Sweat took heat from the sun
Sweat took heat from the wind
Sweat was already very hot
Which blood group matches with any group?
O-
O+
AB-
AB+
Substances in the blood are exchanged through
Arteries
Veins
Capillaries
Lymph versels
Muscles of the body are supplied with pure blood by
Both Veins and arteries
To measure heart beat.
Microscope
Stethoscope
Sphygmomanometer
Dolorimeter
