HUMAN NUTRITION

NUTRITION

CHRONIC DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Returns blood to the heart
A
Benign
B
Veins
C
Aneurysm
D
Arteries
Explanation: 

Detailed explanation-1: -Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.

Detailed explanation-2: -The return of blood to the heart is assisted by the action of the skeletal-muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.

Detailed explanation-3: -Venous return is the volume of blood that returns to the heart per minute.

Detailed explanation-4: -Coronary veins are responsible for draining deoxygenated blood from the myocardium into the cardiac chambers. Comprised of two venous systems, coronary veins classify into either the greater cardiac venous system or the smaller cardiac venous system.

There is 1 question to complete.