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Chapter 37: Problem 132

The space between each synapse is bridged by chemicals called ____________.

Short Answer

Expert verified
The chemicals are neurotransmitters.

Step by step solution

01

Understanding the Synapse

When neurons communicate with each other, the connections between them are called synapses. There is a small gap between the neurons at these synapses.
02

Identify the Chemicals

The chemicals that help bridge the synapse and transmit signals from one neuron to another are called neurotransmitters.
03

Completion of the Sentence

Based on the identification, fill the blank in the exercise with the word 'neurotransmitters.'

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Synapse: The Gap Between Neurons
A synapse is a tiny gap between neurons, which are the nerve cells in our brain and nervous system. Imagine a bustling train station where trains (neurons) need to quickly pass passengers (signals) from one to another, the place where this exchange happens is the synapse. This synaptic gap is not just empty space; it plays a vital role in how our brain functions.
Without synapses, our neurons wouldn't be able to communicate with one another so efficiently.
  • Synapses are found at the end of neurons (the axon terminals).
  • They ensure that signals go in the right direction and reach their destination.
  • They are essential for complex processes like learning and memory.
By learning about synapses, we start to understand the incredible speed and accuracy of our nervous system.
Neurons: The Communicators of the Brain
Neurons are specialized cells that are the building blocks of the nervous system. They are like the messengers that send and receive signals throughout the brain and body. Think of them as the workers on a busy highway. Each one has a unique path to follow.
Neurons communicate through these paths using electrical impulses and chemical signals.
  • There are three main parts of a neuron: the cell body, dendrites, and axon.
  • The cell body contains the nucleus and maintains the neuron's health.
  • Dendrites receive incoming signals from other neurons, while the axon sends outgoing signals.
Neurons can form networks that process information, making them crucial for everything from simple reflexes to complex thought.
Neurotransmitters: Bridging the Synaptic Gap
Neurotransmitters are the chemicals that move across synapses to relay messages between neurons. These molecules are like the text messages of the brain. They carry information from one neuron to another, allowing us to think, feel, and move.
Without neurotransmitters, the signals would not get across the synaptic gap.
  • Neurotransmitters are released from the axon terminal of a neuron.
  • They travel across the synapse and bind to receptors on the next neuron.
  • This binding can cause different effects, such as excitement or inhibition of the receiving neuron.
There are many different neurotransmitters, each with specific functions, like dopamine (for reward) and serotonin (for mood regulation). Understanding how they work helps us comprehend how our brain processes information and manages emotions.

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