The placenta (also known as afterbirth) is an organ that connects the developing fetus to the uterine
wall to allow nutrient uptake, provide thermo-regulation to the fetus,
waste elimination, and gas exchange via the mother's blood supply, fight
against internal infection and produce hormones to support pregnancy.
The placenta provides oxygen and nutrients to growing babies and removes
waste products from the baby's
Answer: Health officials use three types of data to link illnesses to contaminated foods and solve outbreaks: epidemiologic, traceback, and food and environmental testing.
Explanation:
A fertilized egg implants into the uterus
