a body hormone produced in case of anger, fear, or excitement that makes the heart beat faster and the body react quicker

肾上腺素, 肾上腺激素
the human body

解剖学, 人体结构
a sack of tissue that is attached to the large intestine and is surgically removed if infected

阑尾, 附录
the part under the shoulder that is hollow

腋下, 腋窝
any blood vessel, carrying the blood to different organs of body from the heart

动脉, 血管
the large muscle at the front of the upper part of the arm, which flexes the forearm

肱二头肌, 二头肌
the bone that is just below the eye

颧骨, 脸颊骨
either of the pair of bones that go across the top of the chest from the base of the neck to the shoulders

锁骨, 肩锁骨
a long, continuous tube in the body through which the food coming from the stomach moves and is passed

肠, 腸道
a place in the body where two bones meet, enabling one of them to bend or move around

关节, 接头
an arm or a leg of a person or any four-legged animal, or a wing of any bird

肢体, 肢
the row of small bones that are joined together down the center of the back of the body

脊柱, 脊椎
