Human Body Alphabet ChallengeOnline version Guess the body part starting with each letter of the alphabet! by Gabriela Solorzano A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Starts with A The joint connecting the foot with the leg. Starts with B A muscle located in the upper arm that helps flex the elbow. Starts with C Referring to the neck region of the spine. Starts with D A muscle that separates the chest from the abdomen and aids in breathing. Starts with E The joint between the upper arm and the forearm. Starts with F The thigh bone, which is the longest bone in the body. Starts with G A major muscle in the calf of the leg. Starts with H The bone of the upper arm or forelimb. Starts with I The uppermost and largest bone of the pelvis. Starts with J The structure that forms the framework of the mouth. Starts with K A small bone that protects the knee joint. Starts with L An organ that processes nutrients and detoxifies harmful substances. Starts with M The lower jawbone, which holds the lower teeth. Starts with N A hard covering on the upper surface of the tips of fingers and toes. Starts with O The female reproductive organ that produces eggs. Starts with P Another term for the kneecap. Starts with Q A group of muscles located at the front of the thigh. Starts with R One of the two long bones in the forearm. Starts with S The flat bone located in the center of the chest. Starts with T The larger bone in the lower leg, also known as the shinbone. Starts with U The duct through which urine is discharged from the bladder. Starts with V A blood vessel that carries blood towards the heart. Starts with W The joint connecting the hand with the forearm. Starts with X The small cartilaginous extension at the lower end of the sternum. Starts with Y An embryonic structure that provides nutrients during early development. Starts with Z Referring to the cheekbone.