SCIENCE
CIRCULATORY SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
made of muscle
|
|
|
pumps blood
|
|
|
had four chambers
|
|
|
all of the above
|
Detailed explanation-1: -The human heart is a muscular organ that has the main function of pumping blood throughout the body of the organism. It also pumps blood to the lungs for reoxygenation. It is a four-chambered, muscular organ made up of involuntary cardiac muscles. Was this answer helpful?
Detailed explanation-2: -Explanation: “Heart of heart” is SA node.
Detailed explanation-3: -It’s the muscle at the centre of your circulation system, pumping blood around your body as your heart beats. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.
Detailed explanation-4: -The heart is located in the chest between the lungs behind the sternum and above the diaphragm. It is surrounded by the pericardium.