Final answer:
A human embryo develops in the uterus, a muscular organ that supports the growth of the embryo and fetus. The embryo implants in the lining of the uterus after fertilization which typically occurs in the fallopian tubes.
Step-by-step explanation:
The human embryo develops inside the uterus, which is a pouch-like, muscular organ. During the embryonic stage, after a multi-cellular organism called a zygote becomes an embryo, it travels down the fallopian tubes and implants itself in the lining of the uterus. The uterus consists of three sections: the fundus, the body (or corpus), and the cervix, with the body of the uterus being the primary location for the development of an embryo and fetus.
The cervix is the narrow lower part of the uterus that connects to the vagina and produces mucus secretions which facilitate sperm movement during conception. Once fertilization takes place, typically in the fallopian tubes, the fertilized egg then moves to the uterus to implant and begin development.