| A | B |
| thigh bone | femur |
| small bone in lower leg | fibula |
| collar bone | clavicle |
| shoulder blade | scapula |
| skull | cranium |
| wrist bone | carpal |
| fingers and toes | phalanges |
| bone in upper arm | humerus |
| vertebrae of lower back | lumbar |
| vertebrae of neck | cervical |
| breast bone | sternum |
| bone in forearm that aligns with the pinky finger | ulna |
| located between the ankle bones and toes | metatarsals |
| windpipe | trachea |
| tubes that lead into the lungs | bronchi |
| tubes that lead to the tiny air sacs in the lungs | bronchioles |
| tiny air sacs located in the lungs | alveoli |
| large blood vessel that brings deoxygenated blood back to heart from lower body | inferior vena cava |
| section of heart where deoxygenated blood enters | right atrium |
| pumps blood to lung | right ventricle |
| blood vessel that carries blood TO the lungs | pulmonary artery |
| blood vessel that brings blood back from the lungs to the heart | pulmonary vein |
| pumps blood to the body | left ventricle |
| blood vessel that carries oxygenated blood from heart TO the body | aorta |
| tube that transports food to stomach | esophagus |
| food is broken down and turned into liquid here | stomach |
| site of nutrient absorption | small intestine |
| water is absorbed here | large intestine |
| produces bile | liver |
| stores bile | gall bladder |
| secretes a neutralizing substance into small intestine | pancreas |
| where sperm is produced | seminiferous tubules |
| mature sperm are stored here | epididymis |
| tube that transports sperm to urethra | vas deferens |
| tube that transports sperm out of the body | urethra |
| houses eggs | ovary |
| where fertilization occurs | fallopian tube |
| chamber where embryo develops | uterus |
| nerve cell | neuron |
| dendrite | receives incoming messages |
| axon | relays outgoing messages |
| cell body | part of nerve cell that contains the nucleus |
| central nervous system | brain and spinal chord |
| peripheral nervous system | network of nerves that connect to the CNS |