Question

fill in the blanks:

1. function of aorta is -----------------------------
2. superior vena cava collects blood from
3. name of the valve present between right atrium and right ventricle
4. heartbeat originate from -------------------------
5. superior vena brings blood from -----------------------

Explanation:

1. The aorta is the main artery that carries oxygenated blood from the heart to the rest of the body.
2. The superior vena cava collects de - oxygenated blood from the upper half of the body (head, neck, upper limbs, and upper torso).
3. The tricuspid valve is located between the right atrium and the right ventricle.
4. The heartbeat originates from the sino - atrial (SA) node, which is also known as the natural pacemaker of the heart.
5. The superior vena cava brings de - oxygenated blood from the upper body (as mentioned in point 2).

Answer:

1. To carry oxygenated blood from the heart to the body.
2. The upper half of the body (head, neck, upper limbs, upper torso).
3. Tricuspid valve.
4. Sino - atrial (SA) node.
5. The upper body (head, neck, upper limbs, upper torso).