IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC TISSUES AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main difference between your ventricles and your atria?
A
Your atria brings blood into the heart; your ventricles pump it out.
B
Your atria enrich blood with oxygen; your ventricles remove it.
C
Your atria are connected to your arteries; your ventricles are connected to your veins
D
Your atria are made of muscle; your ventricles are made of fatty tissue.
Explanation: 

Detailed explanation-1: -The 2 upper chambers are the atria. They receive and collect blood. The 2 lower chambers are the ventricles. They pump blood to other parts of your body.

Detailed explanation-2: -The right ventricle pumps the low-oxygen blood to the lungs to pick up a fresh supply of oxygen. The left atrium receives to high-oxygen blood from the lungs and pumps it to the left ventricle. The left ventricle pumps the high-oxygen blood to the rest of the body.

Detailed explanation-3: -A typical heart has two upper and two lower chambers. The upper chambers, the right and left atria, receive incoming blood. The lower chambers, the more muscular right and left ventricles, pump blood out of the heart. The heart valves, which keep blood flowing in the right direction, are gates at the chamber openings.

There is 1 question to complete.