In order to achieve homeostasis, the body’s integrating center of work most like what?
a) thermostats
b) thermometers

Which explorer travel the farthest south in his journey

Examine these two paintings that depict famous events from american history. the image on the left, painted in 1940, shows the signing of the u.s. constitution in 1787. the image on the right, painted in 1836, shows the american victory at the battle of yorktown in 1781.which of these paintings should be considered a secondary source?

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f