The the lining of the uterus and is sloughed off each month during menstruation.
uterus
rectum
endometrium
vagina

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

Jasmine is going out for dinner with her friends. which options are the healthiest for each part of her meal l?