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What part of the kidney acts as a physical barrier to protect the kidney from infections?
Placental Mammals
Placental mammals are a group of mammals that give birth to live young that have developed inside the uterus of the mother, where they are nourished through a specialized organ called the placenta.
Monotremes
Mammals that lay eggs instead of giving birth to live young, including species such as the platypus and echidnas.
Marsupials
A group of mammals characterized by giving birth to relatively undeveloped young that typically complete their development in a pouch on the mother's body.
Depth Perception
The ability to perceive the world in three dimensions and judge the distance of objects.
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