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:
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The answer is <u><em>false</em></u>. 1 second is way too close. It's around the 3-4 second space. You'll learn this in drivers ed if you haven't already.
Answer:
<h3>B) spinal cord </h3>
Explanation:
The spinal cord is a complex organization of nerve cells responsible for movement and sensation. It carries signals between the brain and the rest of the body.
All muscle cells share four main properties that distinguish them from other cells. These are Excitability, Contractility, Extensibility and Elasticity.
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