Which describes one thing that happens during thermoregulation when a sensor recognizes that a person's temperature is 39 degrees C?

1. The muscles in the body expand and contract quickly, producing friction.
2. Blood vessels under the skin expand.
3. Sweat glands are "shut off."
4. Muscles under the skin make body hair stand on end.

Dna is always read in the whereas rna is read in .

How many cells are our body made of ? ♡

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto