Respiratory system is refers to as the organs which are involved in breathing such as nose, throat, larynx, trachea, bronchi, and lungs. It is also known as respiratory tract.
The circulatory system is refer to as which contains the heart and the blood vessels and blood moves throughout the body in vessels. This circulatory system helps tissues to get enough oxygen and nutrients, and it helps them get rid of waste products.
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What is breathing?</h3>
When person inhale (breathe in), air enters in the lungs, and oxygen from atmosphere moves to body blood. At the same time, carbon dioxide, a waste gas, moves from blood to the lungs and is exhaled (breathed out).
Breathing process is known as gas exchange which is is essential to life.
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Answer:
Atlantic Ocean.
Explanation:
The Atlantic Ocean is on the Eastern coast of North and South America.
<span>During the Middle Ages, China made the fewest recognized scientific discoveries compared to the others.</span>
Answer: Item WE012003: Both a small stream and ocean waves can erode the solid rock of a cliff over time. Neither a small stream nor ocean waves can wear away the solid rock of a cliff.
Explanation: hope this helps!