Answer:
muscles,cartilage, tendons
There were some components not featured on the list, if you want those just tell me
Explanation:
Eye contact and nodding to what you are saying.
The Respiratory System brings oxygen into the blood; it is the responsibility of the Circulatory System to transport it, with nutrients from digestion, to cells of the body.
The Circulatory System is three-fold: the blood carrying the substances, the vessels in which blood flows, and the heart which pumps it around in a circle-like movement and back (hence the term 'circulatory').