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Kobotan [32]
3 years ago
7

B. Directions. Read the given statement and provide the answer. You are in a community park. While walking, you have noticed tha

t there are many rocks on the ground. From these rocks, how will you know if they are igneous rocks? What are the things you should consider in identifying igneous rocks?
Biology
2 answers:
Stells [14]3 years ago
6 0
Gugnkhfjd. Kfkzlsoxkkc. Kfkslx
Flauer [41]3 years ago
3 0
Texture & grain size
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When an action potential is generated within a motor neuron, ________. When an action potential is generated within a motor neur
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every muscle cell of the motor unit is stimulated to contract.

Explanation:

Stimulus in biology can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal). Thus, all living organisms (both animals and plants) respond to changes in their environment and consequently, an appropriate response or reaction is made. Also, stimulus arising from within the organism is known as internal stimulus while those from its environment are known as the external stimulus.

In organisms, the specialized cells that detect stimulus are generally known as sensory receptors while a group of these receptors is referred to as sense organ. Therefore, the senses are necessary for behavior because stimuli must be sensed in order to respond.

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Example II; When your body touches a hot object, you quickly move away and feel some pain subsequently.

Action potentials generates the nerve impulse in a motor neuron.

When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contract.

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true

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edg. 2020

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