The blood travels through the human body by way of the circulatory system. The circulatory system is made up of the heart, the lungs, and blood vessels (arteries, veins, and capillaries.)
the blood travel through blood vessels is the Artrium or atria. :-)
Hormones travel In the blood because they need to travel in the body.
through arteries
steel
arteries and veins
its when the blood travel through out its body
Antibodies travel to places through the blood.
Red blood cells are part of the blood and travel where the blood goes. Blood is moved through the heart to the lungs and back to the heart. Then it is moved through arteries to all the tissues of the body and back to the heart through the veins.
You heart pumps the blood round
No, blood does not travel through the alveoli. There is however a dense blood capillary network surrounding the alveoli.
Synapses
Through the blood.