anatomy (解剖学)
chemical elements and molecules (化学元素与分子)
enzyme (酶、酵素)
cells (细胞)
tissues (组织)
organs (器官)
organ systems (器官系统)
the skin (皮肤)
nerve endings (神经末稍)
the skeletal system (骨骼系统)
the muscular system (肌肉系统)
the digestive system (消化系统)
the respiratory system (呼吸系统)
the air passages (呼吸道)
dysphonias (语言障碍)
the circulatory system (循环系统)
the lymphatic system (淋巴系统)
the immune system (免疫系统)
the urinary system (泌尿系统)
the reproductive system (生殖系统)
development of a human embryo (人体胚胎的发展)
the menstrual cycle (月经周期)
abortion (流产，堕胎)
the endocrine system (内分泌系统)
hormones (贺尔蒙)
plant hormones (植物的贺尔蒙)
ear (耳)
the human voice (人类的声音)
how sounds travel to the inner ear (声音如何传达到内耳)
the sense of balance (平衡感)
disorders of the ear (耳疾)
otitis media (耳炎的媒介)
teeth (牙齿)
wisdom teeth (智齿)
enamel (珐琅质)
care of the teeth and gums (牙齿与牙龈的保健)
diseases and defects of the teeth (牙齿的疾病与缺陷)
dental decay (蛀牙)
malocclusion (咬合不正)
periodontal diseases (牙周病)
teeth of animals (动物的牙齿)
heterodont teeth (异形齿)
homodont teeth (同型齿)
更多