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What composes basement membranes and has a jellylike matrix?
Basement membranes are composed of a thin layer of specialized extracellular matrix proteins like collagen IV, laminin, and proteoglycans. This extracellular matrix has a gel-like consistency and forms a flexible, supportive barrier between epithelial and connective tissues.
How does the nervous system send signals?
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Where do nerve impulses travel?
Nerve impulses travel up through nerves, into the spinal cord and into one of the different lobes of the brain depending on where the impulse comes from. For example, if the impulse comes from your ear, the impulse would travel to the temporal lobe.
How do impulses cross synapse between neurons?
By a chemical released by an axon.
What is the fluid secreted by the specialized membranes that line the body cavities?
The fluid is called serous fluid, and it acts as a lubricant to reduce friction between organs in body cavities. It is produced by serous membranes, such as the pleura in the chest cavity, pericardium around the heart, and peritoneum in the abdominal cavity.
What are electrochemical impulses?
While a neural signal is chemically conveyed from one neuron to another by neurotransmitters, the electro-chemical neural impulse, which happens in the axon when the neuron fires, is called an action potential.
What causes electrical impulses in the human body?
Electrical impulses in the human body are caused by the flow of ions (charged particles) across cell membranes. This flow of ions creates a difference in electrical charge between the inside and outside of the cell, leading to the generation of electrical impulses that help transmit signals in the nervous system and coordinate muscle contractions.
One that carries impulses between the periphery and CNS areas is called?
A neuron. Neurons are specialized cells that transmit electrical signals in the form of nerve impulses. They play a critical role in transmitting information between the peripheral nervous system and the central nervous system.
The process by which neural impulses are transmitted through the nervous system is best described as?
The process by which neural impulses are transmitted through the nervous system is best described as electric impulses. Any damage to a nerve in the system will cause a breakdown in communication between nerve ending and the brain.
What is the source of the electrical energy in the brain?
The source of electrical energy in the brain is the movement of ions, such as sodium and potassium, across the cell membranes of neurons. This creates electrical impulses that allow for communication between brain cells.
To which locations on the axon do impulses jump?
Impulses jump between the nodes of Ranvier on the axon.
Why nervous system coordination so fast?
the Nervous system's coordination is so fast mainly because the human body has thousands or even million of nerves cells that are connected to one another. every action that happen in our body is transmitted to the brain. what runs in our nerve cells are called electric impulses the speed of electric impulses is just a split seconds. example: when you accidentally touched a hot object the reflex of our body is to let go of it. because the nerves cells already send electric impulses to our brain that the thing we touched is hot. then the brain will send another electric impulses to our hands that says let go of it its hot. this process happens within split seconds only.
What composes basement membranes and has a jellylike matrix?
Basement membranes are composed of a thin layer of specialized extracellular matrix proteins like collagen IV, laminin, and proteoglycans. This extracellular matrix has a gel-like consistency and forms a flexible, supportive barrier between epithelial and connective tissues.
What is the difference between the two membranes of the mitochondria?
Inner membranes have folds.Outer membrane do not have
What is a specialized cell that conducts impulses through the nervous system?
The specialized cell that conducts impulses through the nervous system is called a neuron. Neurons are the building blocks of the nervous system and are responsible for transmitting electrical and chemical signals throughout the body to enable communication between different parts of the body.
Do you have electrical energy in your nerves?
Yes, electrical signals are used by the nervous system to transmit information between neurons and to control muscle movement. Neurons generate electrical impulses through the flow of ions across their cell membranes.
What property of neurons allows them to respond to changes in the environment?
Neurons possess the property of excitability, which allows them to respond to changes in the environment by generating and transmitting electrical signals called action potentials. This excitability is facilitated by the presence of specialized ion channels in their membranes, enabling them to detect stimuli and convert them into electrical impulses. Additionally, the synaptic connections between neurons facilitate communication and integration of information, allowing them to react to various environmental changes.
