Answer: they allow air to enter lungs and also permits air into the body
Explanation:
Im like 98% sure its B because ultra sounds hear the frequency's of the baby in the womb
The answer is A38.9.
The code for scarlet fever is A38.9.
What is scarlet fever?
Some patients with strep throat go on to acquire the bacterial disease known as scarlet fever. Scarlatina, another name for scarlet fever, is characterized by a brilliant red rash that covers the majority of the body. A painful throat and a high fever are virtually usually symptoms of scarlet fever.
Children aged 5 to 15 are most susceptible to developing scarlet fever. Scarlet fever has become less dangerous because to antibiotic treatments, despite once being thought of as a devastating pediatric ailment. Scarlet fever can nevertheless lead to more severe problems that impact the heart, kidneys, and other body organs if left untreated.
To learn more about scarlet fever click on the link below:
brainly.com/question/8109744
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