<span>What is the role of the eustachian tube?
<span>It has the role of draining the fluids in the inner ear and regulating the pressure in the ears to protect the eardrum.</span></span>
The strength of your trunk or "core" including abdominal, low back, and postural muscles.
post-exposure prophylaxis. PEP for short. It involves taking medicine after contact with HIV.
Treatment must begin within 72 hours. PEP is only available from a healthcare provider, emergency room, urgent care clinic, or HIV clinic.
It is not 100% effective. And follow-up
HIV testing is required
Answer:
The answer will be muscular system
Explanation:
Because the muscular system has the heart and more to help the body stay alive.
