To like help us at times and to store files and Important infomation
Answer:
Our bodies deliberately send more blood to an erectile tissue between the two nostrils to increase its size and direct the air flowing through one of the nostrils. After a few hours, the airflow switches to the other nostril.
Explanation:
I’ll bet most people don’t realize that when you breathe through your nose, you do so more from one nostril than the other and your body knows to switch to the other nostril every few hours. I had no idea. I’m only aware of any difference in my nostrils when I’m congested!
This nasal cycle is controlled by the autonomic nervous system which also controls things we don’t think about like heart rate and breathing
Why do we do this? Some scientists believe the alternating airflow allows each nostril to maintain optimal moisture levels so no one side gets dried out. It may also protect against respiratory infections or allergies.
Others believe it’s tied to our olfaction or sense of smell. It’s possible that the quicker and slower airflow in each nostril optimizes us to the vast range of smells. Some smells take longer to detect and transmit to the brain.
A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in colorectal cancer.
Adenomatous polyposis coli is known as APC. An individual has a higher lifetime chance of developing many colorectal polyps (from ten to hundreds) as well as colorectal cancer if they have a genetic mutation that interferes with the operation of the APC gene. Colon cancer can strike anyone at any age, but it often strikes older persons. Small, benign (noncancerous) cell clusters called polyps commonly grow on the interior of the colon as the first signs of the condition. Some of these polyps may eventually develop into colon cancer.
To learn more about colorectal cancer and APC here,
brainly.com/question/17054042
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If the choices are botulism, coli infection, salmonellosis, or gastroenteritis then it is most likely d, but I am not positive
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