登录
a substance in the bodies of animals and humans, stored under the skin, which helps them keep warm
the network of neurons and fibers that interpret stimuli and transmit impulses from the body to the brain
神经系统
a chemical substance produced in the body of living things influencing growth and affecting the functionality of cells or tissues
激素
the soft substance that fills the cavities of bones, which is either yellowish and consists of fat cells or reddish and makes blood cells
骨髓
a thick slimy substance produced by mucous membranes, inside the nose or the mouth, to lubricate and protect them
胶
a thin, moist tissue that lines body cavities like the respiratory, digestive, and reproductive tracts, producing mucus for protection and lubrication
粘膜
the thick mucus that is formed in the nasal and throat cavities, usually secreted in excessive amounts as a result of common cold
痰
a network that collects and transports lymph, supporting immune function and fluid balance
淋巴系统
the rhythmic beating of the blood vessels created when the heart pumps, especially felt on the wrist or at the sides of the neck
脉冲
the chemical processes through which food is changed into energy for the body to use
代谢
the intake of air or a substance into the lungs through the process of breathing
吸入
the anatomical structures, including the nose, mouth, throat, and lungs, that allow for the passage of air during breathing
航空公司
the entrance or exit point on an organ where blood vessels, nerves, and other structures are connected
肺门
the long, hollow organ system that extends from the mouth to the anus
胃肠道
a small, enclosed space or chamber at the entrance of a body cavity, such as the mouth or nose
前厅
(anatomy) a rounded part of an organ, such as, lungs or brain that seems to be separate in some way from the rest
叶
relating to the intestines, which are part of the digestive system responsible for absorbing nutrients and removing waste from the body
肠
(anatomy) connected with the curved set of bones at the bottom of the body, called pelvis
骨盆
(anatomy) connected with the sensory part of the eye that sends signals to the brain, called retina
视网膜
relating to the uterus, the organ in the female reproductive system where fetal development occurs during pregnancy
子宫
(anatomy) related to any of the series of the bones from the back, called vertebra
脊椎
to break down substances like food or drugs to produce energy or support various bodily functions
代谢
