IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC TISSUES AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the upper chambers of the heart?
A
bicuspid and tricuspid
B
left atrium and right atrium
C
left ventricle and right ventricle
D
bicuspid and mitral
Explanation: 

Detailed explanation-1: -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.

Detailed explanation-2: -The heart consists of four chambers which are the two upper chambers called as atria and two lower chambers called as ventricles. These four chambers are divided by a wall which is known as septa or septum.

Detailed explanation-3: -The heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower chambers called the left and right ventricles. It is also made up of four valves: the tricuspid, pulmonary, mitral and aortic valves.

There is 1 question to complete.