Greetings!
The heart consists of exactly 3 layers:
The Epicardium (external layer)
The Myocardium (middle layer)
The Endocardium (inside layer)
Hope this helps!
~Autumly
Answer:
The earliest known case of infection with HIV-1 in a human was detected in a blood sample collected in 1959 from a man in Kinshasa, Democratic Republic of the Congo. (How he became infected is not known.)
Explanation:
Google
What is your statement trying to say is a question or what
True. There is no know cure(online will be called functional cure). But there are treatments and therapies that allow people to live longer
An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
