The Perelman School of Medicine, commonly known as Penn Med, is the medical school of the <span>University of Pennsylvania</span>
Testicles. They produce sperm while the prostate produces semen
Answer:
6 days
Explanation:
once the embryo reaches the Blastocyst stage, approximately 5-6 days after fertilization, it hatches out of it's zona pellucida and begins the process of implantation in the uterus.