Aparent brings his child to the emergency department after the child sustains a fall from a tree. the child has severe right arm pain. a radiograph shows a complete break in the humerus with multiple pieces of bone at the fracture line and the skin is not broken. this type of fracture is classified as:

The answer is comminuted fracture of the humerus.

Explanation:

This type of fracture suffered by the small patient when falling from a tree, is known as comminuted fracture of the humerus. It is characterized by presenting complete rupture of the humerus with multiple pieces of bone in the fracture line but with intact skin. These fractures are classified according to the site of bone injury in: Upper end, axis, lower end.

answer(b) keep oxygenated and deoxygenated blood separate;