Answer:
a) provides structure to the Trachea. b) hairs on a cell that help it move around. C) Exchanges oxygen and carbon dioxide molecules to and from the blood stream
During inspiration, fresh air enters the respiratory system through the pared external nares (nostrils; shown here) and/or the oral cavity to the pharynx. Air then travels through the glottis into the trachea, through the bronchi and bronchioles to reach the alveoli.
Answer:
Explanation:
The Circulatory system pumps blood around the body, and the respiratory system facilitates the gas exchange that keeps the blood fresh. The heart is connected to the lungs via the pulmonary arteries and veins.
The circulatory and respiratory systems work together to deliver oxygen and other important nutrients to every cell in our bodies. All of our body cell require oxygen to conduct cellular respiration. In this process, oxygen burns the nutrients from foods w eat, providing energy for the cells. The respiratory system is responsible for bringing oxygen into the body and removing waste gasses.
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