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:
The major postoperative complications are hypocalcemia, wound infection, hematoma, recurrent laryngeal nerve (RLN) injury, and Horner's syndrome. [3] [4][5] Hypocalcemia is the important postoperative complication of thyroid surgery causing potentially severe symptoms and increasing hospitalization time
Explanation:
B. Hydrogen bonds make the positive sides of water molecules stick to each other
C) To gather info about the natural world, to explain natural phenomena, and allow reasonable predictions of future events
