2 years ago

What are two body systems that are used to heal a broken bone?

2 answers:

7 0

Answer: How Do Bones Heal? In the first few days after a fracture, the body forms a blood clot around the broken bone to protect it and deliver the cells needed for healing. Then, an area of healing tissue forms around the broken bone. This is called a callus.

Explanation:

katrin [286]2 years ago

7 0

The injury triggers the body to release fat from healthy bones. The red marrow in the fractured bone releases fat to heal the fracture.

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Two linebackers tackle a quarterback. One hit him with a force of 105 N and the other hit him with a force of 150 N. They are bo

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The net force on the quarterback when he is hit by two linebackers running eastwards is 255N.

Force is a vector quantity, we must recall that if two forces act in the same direction, we obtain the net force by adding the two forces together. If two forces act in opposite direction, we obtain the net force by subtracting the forces from each other.

Since the both linebackers are running East, the net force is obtained as; 105 N + 150 N = 255 N.

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