Tuesday, July 5, 2011

What is the heart?

It's an organ that receives blood from coronary vessels and supplies the body organs with oxygenated blood through aorta. At the same time, it carries deoxygenated blood from body parts to the heart through vena cava.

  1. What does the blue and red color represent?
  2. What is the difference between pulmonary artery and aorta?
  3. What is the structure that separates between the left and right side of the heart?

Yaghi, M. (2000). Life and earth sciences. Center for educational research and development. Sin-El-Fil, Lebanon.
Human Heart. Retrieved July 4, 2011, from http://www.osovo.com/diagram/humanheartdiagram.htm.


  1. 3- Septum is thestructure that separates between the left and right side of the heart

  2. 1-The blue one is for carrying deoxygenated and the red one is for carrying oxygenated blood .

  3. 2- the main difference between the pulmonary artery and aorta is the blood they carry, where the pulmonary artery carries deoxygenated blood, coming from the organs, to the lungs where they get oxygenated while the aorta carries oxygenated blood that comes from the lungs to supply all the body organs.

  4. 1-The blue color represents the vessels that carry deoxygenated blood,while the red color represents the arteries that carry oxygenated blood

  5. 3- The structure that separates the heart vertically between left and right side is called septum.