Question

a).Why does a year consist of 365 days and a day of 24 hours?

b) What sorts of signals does the brain use to communicate sensations, thoughts and actions?



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Answer 1

Answer:

• A year has 365 days, because the Earth takes to complete 1 full revolution around the Sun.
• A day has 24 hours, because the Earth takes to complete 1 full rotation on its axis.

2. Electrochemical signals

Answer 2

Answer:

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