The tubes that carry blood are known as the blood vessels. They include arteries, veins, and capillaries.
The tubes that carry blood are known collectively as the blood vessels. They include veins, arteries, and capillaries.
Tubes that carry blood are collectively known as blood vessels. These include veins, arteries, and capillaries.
Blood vessels are the tubes that carry blood around the body. Blood vessels include capillaries, veins, and arteries.
Capillaries are the tiny tubes that carry blood. These vessel connect small arteries to small veins, and are the site of gas exchange.
The tubes that carry blood are the blood vessels. They include capillaries, veins, and arteries.
The tiny tubes that carry blood are the capillaries. Capillaries connect arteries and veins.
Tubes that carry blood are generally known as blood vessels. These include arteries, veins, and capillaries.
These are called the pulmonary veins. Arteries always carry blood away from the heart but not all of these have blood high in oxygen. Veins carry blood back to the heart. Again most are low in oxygen except the ones coming from the lungs.
xylem and phloem
They are called veins. Arteries carry blood from the heart. Veins carry blood to the heart.
Arteries carry blood away from the heart. Veins carry blood towards the heart.
artery