Body Transport System - Science Learning 6

Learn Body Transport System questions with answers. This prep guide includes questions like, what is oxygenated blood?, when is blood shifted to right hand side?, how many times blood enters heart in one circulation?, why are walls of left ventricle stronger?, at which side of chest is heart located? and others below.

Body Transport System Learning 6

Question: What is oxygenated blood?

Answer: Oxygenated blood is a type of blood which contains no carbon dioxide, less water content and more oxygen. This blood is carried away from the heart by arteries.

Question: When is blood shifted to right hand side?

Answer: When the blood reaches the lungs, while passing through the lungs the blood is shifted to the left hand side of the body and heart.

Question: How many times blood enters heart in one circulation?

Answer: In one complete circulation, blood reaches the heart twice. The first time when it reaches the heart from the body through vein and the second time, when it reaches from the lungs through another vein.

Question: Why are walls of left ventricle stronger?

Answer: From the left ventricle, blood has to be pumped to lungs only. The walls of right ventricle are thicker than the left ventricle, because the it has to pump the blood around the whole body with more pressure.

Question: At which side of chest is heart located?

Answer: Heart is neither located on right nor on the left side. Heart is actually located in the middle of the chest. People would say that the heart is located in left side because it is slightly tilted towards the left side.