Astronomers have seen stars forming within a nebular cloud. As the nebular cloud condenses and its own gravitational attraction collapses it, heat and energy build up creating a planet.
Answer:
The three main functions of the nervous system is motor, sensory and integration.
Diastole<span> is the part of the cardiac cycle when the heart refills with blood following </span>systole<span>(contraction). Ventricular </span>diastole<span> is the period during which the ventricles are filling and relaxing, while atrial </span>diastole<span> is the period during which the atria are relaxing.</span>
Answer:
The proteins receive electrical signals from nerve cells.
Explanation: