Question

which of the following statements is true? multiple choice neurons are the principal components of the brain. neurons function through mechanical signals. you have about 10 billion neurons in your brain. neural information is transmitted by corpuscles in the blood.

Explanation:

• Neurons are key brain cells for info processing.
• Neurons use electrical/chemical, not mechanical, signals.
• Brain has ~86 billion neurons, not 10 billion.
• Neural info is via neurons, not blood corpuscles.

Answer:

A. Neurons are the principal components of the brain.