Human Anatomy and Physiology Study Set 1
Quiz 27: Development Heredity
During month 4 of prenatal development, the fetus turns upside down in the vertex position.
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The placenta, a temporary organ that is shed after the infant is born, is the site of exchange of oxygen, nutrients, and waste between the mother and fetus.
The ductus arteriosus is a fetal vascular shunt that allows blood to flow from the pulmonary trunk directly into the aorta.
stimulating hormone (MSH) is needed for the maturation of the fetal lungs and the production of surfactant.
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