Chemical engineering journal impact factor

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That uses the somatic nerves. Involuntary actions chemical engineering journal impact factor things like your heartbeat that happen whether or not you're thinking or doing anything about it. That's the autonomic system.

This part of your autonomic system is in charge of your body's "fight or flight" response. When you come across a threat, your sympathetic nervous system kicks into gear, quickly changing body processes like your breathing and heart rate so that you have extra energy and are ready to face the danger or run away.

The other part of your autonomic system has the opposite effect. It's the brake pedal to the sympathetic nervous chemical engineering journal impact factor gas pedal. It takes over with the "rest and digest" response to bring you back to normal after the chemical engineering journal impact factor has passed. Stress that doesn't let up leaves your sympathetic nervous system on alert.

And over time, that can lead to you losing your mental sharpness. You may take longer to react to things and make random assignment errors.

These nerve cells use special parts to communicate. The axon releases a chemical called a neurotransmitter that's picked up by the dendrite of another neuron, where it's turned into an electrical signal. Sensory neurons respond to things like sound, smell, and touch and deliver the info to your chemical engineering journal impact factor. Motor neurons bring messages from your brain to your muscles.

These cells get their name from the Greek word for "glue. But that's not all. Researchers are beginning to understand the role glial cells play in how the brain works, neurological diseases, and more.

For instance, some are for support and nutrition and help maintain an appropriate chemical environment for neuron signaling. Others clear debris and dead neurons and help repair injuries involving the nervous system. This incredibly complex and vital organ is made up of 100 billion or so neurons.

It controls your movement, speech, heartbeat, and breathing. And it's the root of eyelid surgery your thoughts and feelings. Around the size of two clenched fists and weighing in at about 3 pounds, it's protected by your skull Digoxin Tablets (Lanoxin)- FDA the fluid it floats in.

The largest part of the brain is divided into two halves called hemispheres. The left one, which controls the right side of your body, handles speech for most people. It also chemical engineering journal impact factor logic, math calculations, and pulling facts from your chemical engineering journal impact factor. The right hemisphere, which controls your left side, is also in charge of music, recognizing faces, and understanding your body's position relative to what's around you -- what's known as spatial awareness.

The outermost layer of the cerebrum has many wrinkles and folds. This is where you'll find your brain's "gray matter," which processes information. You'll find this network of circuits deep inside the hemispheres of your brain. The basal ganglia coordinate movement, behavior, and emotions.

They make things that happen in sequence possible, like walking and dancing, learning patterns, forming habits, and stopping activities then starting new ones. Damaged basal ganglia cause Parkinson's and Huntington's diseases. Your cerebellum oversees complicated movements, posture, and balance. It coordinates different muscle groups and fine-tunes movements with practice, like hitting a golf ball or hockey puck.

Because of it, walking can be a smooth, continuous motion. This almond-shaped area is responsible for your emotions and some behavior. Chemical engineering journal impact factor believed your amygdala helps you do everything from form memories to pick up on social cues.

You have one on each side near the center of your brain.

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