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An ______ is a vessel that carries blood away from the heart.
An ____ is a vessel that carries blood to the heart.
A _________ is a small blood vessel with thin walls for diffusion.
The _____ stops the blood from flowing backwards.
_________ means to do with the lungs. The _________ artery pumps blood from the heart to the lungs and the _________ vein carries blood from the lungs to the heart.
The ________ artery supplies blood to the heart muscle.
The _____ carries blood from the heart to the body.
The ____ cava carries blood from the body to the heart.
The vena ____ carries blood from the body to the heart.
The upper chamber in the heart is called the ______.
The lower chamber in the heart is called the _________.
_______ means space or room.
______ is the part of the blood that carries substances like nutrients and hormones around the body.
___ blood cells carry oxygen around the body.
_____ blood cells fight pathogens.
A ________ is something that causes a disease, like a virus.
_________ form blood clots to stop bleeding.
___________ transports oxygen around the body.
______________ is oxygen mixed with haemoglobin.
