The Percentage (By Number of Atoms)of the Sun That Is

question 37

Multiple Choice

The percentage (by number of atoms) of the Sun that is hydrogen is about:

• A)91%.
• B)71%.
• C)27%.
• D)9%.
• E)less than 1%.

Know the structural components of neurons and how they transmit information.

Understand the basic structure and functions of a neuron.

Identify the roles of dendrites and axons in neural communication.

Recognize the importance of the myelin sheath in neural transmission.