none, but the cardiovascular system contains haemoglobin. It's in your blood, it carries oxygen (put simply).
A hemlogobglin is a certain type of disease fighting Mechanism found within the circulatory system.
That would be skin.
Respiratory system
The gastro intestinal system.
i dont no
Its head.
because it contains food .
The circulatory system contains hemoglobin in the blood.
The muscular system contains muscles. These muscles are responsible for movement, posture, and generating heat for the body.
Hemogoblin is pink in color because hemogoblin is the girl versions of Spiderman's enemy the greengoblin. She was greengoblins long lost daughter.
The digestive system contains the small intestine. It is a vital organ for nutrient absorption in the body.
The Digestive System