In hot conditions the blood vessels ❌ (or vasodilation occurs), so the vessels carry more ❌ and therefore carry more ❌. Sweat ❌ produce more sweat which ❌ which takes energy. Therefore more energy / heat is ❌.

dilate
dilate
widen
widen
blood
blood
sweat
sweat
heat
heat
energy
energy
glands
glands
pores
pores
evaporates
evaporates
condenses
condenses
lost
lost
gained
gained