the circulatory system
The respiratory system is the system that handles breathing.
The circulatory system and respiratory system are interlaced. The circulatory system much deliver nutrients to all the parts of the body. Every single part of the body needs oxygen, so the circulatory system takes the oxygen collected by the respiratory system and delivers it to the rest of the body.
The Respiratory System
The trachea is the airway in the respiratory system.
no, they do not have a respiratory system
The respiratory system.
Respiratory system
how does the respiratory system work
1. Respiratory system 2. Cardiovascular system
The lungs are part of the respiratory system! they help the circulatory by giving oxygen, but they are just respiratory.
cycling it is good for the respiratory system cycling it is good for the respiratory system
The respiratory system.