¿Qué diferencia hay entre el pericondrio y el periostio ?

Plants that have reproductive structures called cones are?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

What is the primary function of the nervous system?