Matching Pairs Human bodyOnline version Join the part of the body and its definition by Nuria Martos Casado 1 heart 2 brain 3 skin 4 chest 5 ribs 6 ankle 7 elbow 8 knees 9 stomach 10 wrist 11 lungs 12 throat pumps blood the lungs and the heart are there the front of the neck, or the space inside the neck down which food and air can go the part in the middle of the arm where it bends digest the food we eat the one which controls everything you do The bones in the chest that protect the heart and lungs Main organs of the respiratory system part of the body that joins the the feet and the legs help us to move our legs what covers your body joins our hands to our arms