The table shows features of some blood vessels. Which of them is the pulmonary artery?

Features

Muscle layer

Lumen

Direction of Blood flow

Blood

(a) Thick

Narrow

Away from the heart

Deoxygenated

(b) Thick

Wide

Away from the heart

Oxygenated

(c) Thin

Narrow

Towards the heart

Oxygenated

(d) Thin

Wide

Towards the heart

Deoxygenated

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Solution

Pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. Like other arteries they have narrow lumen and thick muscular walls.

Features

Muscle layer

Lumen

Direction of Blood flow

Blood

(a) Thick

Narrow

Away from the heart

Deoxygenated

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? The vein that brings oxygenated blood to the heart
? The vein that carries deoxygenated blood from heart to veins.

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2. Name the vessel which carries blood away from the heart.
3. Name the blood vessel that brings oxygenated blood to the human heart.
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5. Which chamber of the human heart receives oxygenated blood?

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2. Name the vessels which carries blood away from the heart.
3. Name the blood vessel that brings oxygenated blood to the human heart.
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Q. Statement 1: Oxygenated blood is carried back to the heart from the rest of the body through the pulmonary vein.

Statement 2: Deoxygenated blood is transferred to the lungs from the heart by the pulmonary artery.

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5. Describe how deoxygenated blood from this chamber is sent to all parts of the body.

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Human Circulatory System

Standard X Biology

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Features
Muscle layer	Lumen	Direction of Blood flow	Blood
(a) Thick	Narrow	Away from the heart	Deoxygenated
(b) Thick	Wide	Away from the heart	Oxygenated
(c) Thin	Narrow	Towards the heart	Oxygenated
(d) Thin	Wide	Towards the heart	Deoxygenated

Pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. Like other arteries they have narrow lumen and thick muscular walls. ​ Features​ Muscle layer​ Lumen​ Direction of Blood flow​ Blood​ (a) Thick​ Narrow​ Away from the heart​ Deoxygenated​

Pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. Like other arteries they have narrow lumen and thick muscular walls.

Features

Muscle layer

Lumen

Direction of Blood flow

Blood

(a) Thick

Narrow

Away from the heart

Deoxygenated