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Air sacs need a rich supply of blood vessels to facilitate diffusion. A large number increases the surface area available to pick up oxygen and get rid of CO2.

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Why do air sacs need to have a rich supply of capillaries?

They need a lot of blood.


Why would the frog's skin need to have a rich supply of blood?

breathe


What is the name of the blood vessel that carries a supply of oxygen to the blood?

Arteries usually carry O2 rich blood. Veins usually don't.


Which blood vessel carries oxygen-rich blood to the heart?

The pulmonary veins carry O2 rich blood to the heart.


What is the blood vessel that carries oxygen rich blood from the lung?

The pulmonary veins carry oxygen rich blood from the lungs to the heart.


Is an artery a type of blood vessel?

Yes, an artery is a type of blood vessel that carries oxygen-rich blood away from the heart to the rest of the body.


What blood vessel carries blood away from the heart out to the body and typically carries oxygenated blood?

The blood vessel that carries oxygenated blood away from the heart to the body is the aorta. It is the largest artery in the body, originating from the left ventricle of the heart. The aorta branches into smaller arteries that supply oxygen-rich blood to various organs and tissues throughout the body.


Blood vessel that carries oxygen-rich blood to the heart?

The pulmonary vein carries blood from the lungs to the left atrium of the heart. The coronary arteries supply blood to the heart muscles. The Inferior and Superior Vena Cava bring the used blood from the body to the heart.


Do muscles have a rich blood supply?

yes


What fetal blood vessel has the highest oxygen concentration?

The umbilical vein carries oxygen-rich blood from the placenta to the fetus, making it the fetal blood vessel with the highest oxygen concentration.


Which vessel supplies the body with oxygen and nutrient rich blood?

Vena Cava


What is the difference between an artery and a blood vessel?

An artery is a type of blood vessel that carries oxygen-rich blood away from the heart, while a blood vessel is a general term for any tube-like structure that transports blood throughout the body, including arteries, veins, and capillaries.