By studying mitosis scientists have learned how cells divide. Mitosis is the process by which cells reproduce, and without it cancer cells wouldn't be able to form tumors and spread throughout the body
The respiratory structure that contracts and relaxes to allow air to flow in and out of the lungs is option(c) i.e, the diaphragm.
<h3>What is
the diaphragm?</h3>
The diaphragm, a delicate skeletal muscle that separates the chest from the belly, is located at the base of the chest. When you breathe in, it flattens and shrinks. As a result, the lungs experience a vacuum effect that draws air in. The diaphragm relaxes and the air is forced out of the lungs when you exhale.
signs of diaphragm issues:
- Acid reflux, heartburn, coughing, and difficulty swallowing.
- alterations to skin tone (skin may turn blue).
- rapid heartbeat, pressure in the chest, and/or breathing difficulties (especially when lying down).
- Headaches.
- Hiccups that persist or recur frequently.
Patients who need surgery for conditions affecting the chest, including diaphragm issues, are treated by a thoracic surgeon.
To know more about diaphragm refer to: brainly.com/question/12822939
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Answer:
Pest control is helpful I guess...
Explanation: Pest control uses lots of chemicals and poison stuff to kill those vexing pests but most importantly it kills them its a dangerous job if you don't know what your doing.
Scalawags are from the North I think. And Carpetbaggers are from the South.
Answer:
the chemicals needed to produce molecules comes from the food which an organism eat.
Explanation:
hope this helps
