Answer:
common ancestor. ... Mammals share the homologous structure of the vertebrae in common.
Explanation:
Your blood also carries oxygen inhaled by the lungs. Your circulatory system delivers oxygen and nutrients to the other cells of your body then picks up any waste products created by these cells, including carbon dioxide, and delivers these waste products to the kidneys and lungs for disposal
First is the second and the other one is the 4th
Answer:
Munchausen syndrome by proxy
Explanation:
Munchausen syndrome by proxy, is a form of child abuse, and is classified as a mental illness. This illness affects the caretaker of a child (in most cases, it affects the mother), where the caretaker will fabricate symptoms or cause visible symptoms so that the child can appear sick.
There is no apparent cause of Munchausen syndrome by proxy, however many people who have this mental illness were either abused as a child, or they have Munchausen syndrome themselves.
