Sound is an example of a longitudinal wave.
Neuron and muscle cells have plasma membranes that undergo voltage changes in response to stimuli.
<h3>What is a neuron?</h3>
Neurons are messengers of information.
Between various brain regions and between the brain and the rest of the nervous system, information is transmitted using electrical impulses and chemical signals.
A neuron has a cell body that includes a nucleus and cytoplasm, from which long, thin hair-like structures emerge.
The axon, a solitary long component of the neuron, is responsible for carrying the nerve impulse to various body areas.
The dendrites are the neuron's small, branching body sections.
To learn more about neurons, refer
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Answer:
Mass: the quantity of matter which a body contains, as measured by its acceleration under a given force or by the force exerted on it by a gravitational field.
Example: a person or object may be weightless on the moon because of the lack of gravity, but that same person or object maintains the same mass regardless of location. Knowledge of mass is crucial in science.
Answer:
d. Imaginary point through which the resultant force of gravity acts on an object
Explanation:
Gravity acting on all particle points of the object, no matter how small they are. As a combination, the center of gravity would denote a single point which substitutes for all the gravity forces on the object.
Answer:
No, it is not correct to say the Doppler Effect is the apparent change in the speed of a wave due to the motion of the source.
Explanation:
While Doppler Effect is due to motion of the source or observer but it is not the apparent change in the speed of the wave. The speed of the wave remains the same. It is the wavelength and frequency of the waves that change in Doppler Effect when there is a relative motion between source and observer.