Simply put:
1. Transportation of gasses, waste products, hormones, enzymes and nutrients
2. Maintaining homeostasis
3. Immunity and defense
The three main parts of the circulatory system are the heart, blood vessels, and blood.
Arteries, veins, & capillaries are the three main veins while drawing blood in arm
The three main blood types are A, B, and O. But there is also AB and a factor in the genetics of blood types called Rh. We either have it (+) or don't (-).
Red blood cells White blood cells Platelets
HeartBloodCapillariesVeinsArteries
Harry Potter, Ron Weasley, and Hermione Granger are the three main characters in Half-Blood Prince.
The main three types are; arteries, veins and capillaries.
blood urine and food
To transport , protect and regulate .
the three pathways through wich blood flows are the arteries,veins,and capillaries
The functions of the ligaments is to attach the muscles to the bones, to attach bones to bones, to give support to the joints and help in the movement of the joint and body
blood, carotene and melanin