The ciculatory system is made of the heart ,veins and blood vessels.
The role of the circularity system is to help the body's movement
the digetive system brakes all the food up and then the circularity system pumps the broken down glucose round the body.
Yes
William Harvey
They are carrying carbon dioxide and are from the venous part of the circularity system.
who is the discoverer of protein
A discoverer of salt is not known.
circularity
Circularity
a 2D shape that's round
How the Heart and Circulatory system work.
That is the correct spelling of the noun "discoverer" (one who discovers or locates).You spelled discoverer correctly.