Structure of the Nervous System The basic unit of the nervous system is the , which transmits electrical impulses. Parts of a Neuron: – Contains the nucleus and organelles. – Receives electrical signals from other neurons. – Sends electrical signals away from the cell body. Synapse – The small gap between neurons where transfer signals. Glial Cells – and neurons. Glial cells form the .

Which of the following fats is considered healthy when consumed in moderation?

How does the nervous system coordinate with the muscular system?

What is the role of HDL in the body?

What is a characteristic of phospholipids?

 Which brain region would be most affected by damage that disrupts heart rate and breathing?

Which fatty acids are essential for proper growth and brain function?

Which is a benefit of consuming polyunsaturated fats?

Why are mixed nerves important in the PNS?

Which system transports hormones released by endocrine glands?