Answer:
uterus
Explanation:
Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.
Heart disease, Clogged blood vessels, High cholesterol, High blood pressure, Diabetes, Obesity, Metabolic syndrome, and Parkinson's disease.
Swimming, any type of cardio that requires a lot of breathing
A sucide because it is not hurting somebody else
A liver has to work 24 hours a day because the body cannot function