Iron
Hemoglobin which contains iron, so that it con bind oxygen. Although Iron is an element. Hemoglobin is a molecule.
The protein hemoglobin, found in the red blood cells, is what makes blood red.
oxygen
Iron as the ion 'Fe^(3+) , which is coloured red/brown and gives blood its colour.
They have organs that pump up blood that makes them change coulor.
blood for the colour red and crushed rcks in blood make brown and crushed rock makes black
blood for the colour red and crushed rcks in blood make brown and crushed rock makes black
The oxygen-rich hemoglobin.The pigment that makes blood red is known as haemoglobin. it helps blood to carry oxygen.
The Answer Is Circulatory System That Makes Blood Cells RED ! it is the heme part of the haemoglobin that gives blood cells their bright red colour.
It is silvery white in colour
The Colour of Blood has 182 pages.
Blood red is a vivid deep red colour, similar to the colour of blood.
Yellow.