Answer:
a nervous system, connecting to their brain which sends signals to move all the parts around the body, for example, if you want to move your leg forward, your nervous system sends signals to it, same for other animals.
is there any answer choices
C is the only bad sounding thing out of this bunch.
Answer:
(VEE-nuh KAY-vuh) A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest.