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
a chemical substance produced in the body of living things influencing growth and affecting the functionality of cells or tissues

激素, 荷尔蒙物质
the human body

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

阑尾, 盲肠
the part under the shoulder that is hollow

腋窝, 胳肢窝
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

二头肌
a long flat bone at the center of the chest that connects the ribs and the shoulder girdle

胸骨, 胸部骨头
the muscular part at the back of the leg between the knee and the ankle

小腿, 小腿肌肉
an organism's smallest unit, capable of functioning on its own

细胞
the bone that is just below the eye

颧骨, 眼睛下方的骨头
the lowest part of our face that is below our mouth

下巴, 脸的下部
the flow and movement of blood around and in all parts of the body

循环
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, 颈骨
the hand with the fingers tightly bent toward the palm

拳头
the inner surface of the hand between the wrist and fingers

手掌, 手心
the part of the face above the eyebrows and below the hair

额头
the external sex organs of the body

生殖器, 性器官
the back part of the foot, below the ankle

脚跟
the lower part of digestive tract responsible for food absorption

肠, 肠道
each of the parts above the legs and below the waist at either side of the body

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

肠
the body part inside our body where the food that we eat goes

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

关节, 接合处
the lower bone of the face containing the chin and the bottom teeth

颌, 下颌
the upper part of the legs that form a flat surface when one is seated

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

肢体, 手臂或腿
the network of neurons and fibers that interpret stimuli and transmit impulses from the body to the brain

神经系统, 神经网络
any tube or vessel that carries blood to one's heart

静脉, 血管
a group of cells in the body of living things, forming their different parts

组织, 细胞组织
the top part of the leg between the hip and the knee

大腿, 腿的上部
the row of small bones that are joined together down the center of the back of the body

脊柱
the rhythmic beating of the blood vessels created when the heart pumps, especially felt on the wrist or at the sides of the neck

脉搏, 跳动
(anatomy) the bony structure in the chest formed by the ribs which protects organs in the thoracic cavity

肋骨, 胸腔
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