Although an Exact Count Is Not Available, It Is Likely

question 89

Multiple Choice

Although an exact count is not available, it is likely that the human brain has as many as ________.

• A) 500,000 neurons
• B) 1 million neurons
• C) 10 million neurons
• D) 100 billion neurons
• E) 1 trillion neurons

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Definitions:

Urethral Irritation

Discomfort, pain, or burning sensation in the urethra, often caused by infection, injury, or irritation.

Kidney Stones

Hard, crystalline mineral material formed within the kidney or urinary tract.

Protozoal Infection

An illness caused by protozoa, microscopic, single-celled organisms that can be free-living or parasitic, leading to diseases like malaria and giardiasis.

Parasitic Infection

An infestation by organisms such as bacteria, viruses, fungi, or parasites that survive and thrive at the expense of a host organism.