Answer:
something that harms you or others like smoking for example
Explanation:
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:
Track and field is oldest
Explanation:
Track and field was first invented in 776 BC.
Answer:
Immunizations
Explanation:
Vaccines help protect yourself and others from current or possible illnesses. They can decrease the risks of you being sick from certain sicknesses. Immunizations can help create a healthy and clean community if majority of people were to get vaccines.