The nervous system and the muscle system respond to stimuli to produce motion. The skeletal movements of muscles are mostly voluntary.
Involuntary movements occur in these muscles when the nerve impulse passes from a sensory neuron to a motor neuron via an interneuron in the spinal cord.
<h3>What are Skeletal muscles?</h3>
Skeletal muscles may be defined as the muscles that fasten to your bones and authorize you to achieve a broad range of activities and operations.
Skeletal muscles control the direct movement of a person's will and are hence referred to as voluntary movement.
While the spinal cord is associated with both movements directly or indirectly. It is a prolonged, delicate tubelike network liable for holding incoming and outgoing messages through the brain to the rest body.
Therefore, it is well described above.
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Inhaled nicotine is D. Absorbed and excreted rapidly
The answer is A. Putting the aquarium in the dark means that
the aquatic plants will not be able to photosynthesize. The process of photosynthesis produces oxygen
as a by-product. The oxygen is used by the fishes in respiration and release
carbon dioxide. The carbon dioxide is used by the aquatic plants in photosynthesis.
Answer:
B - It hits an object
Explanation:
Once light has been produced, it will keep travelling in a straight line until it hits something else.
Answer:
Cladistic analysis compares the shared and shared derived characteristics of organisms which are thought to be of same ancestral origin.
Explanation:
- The branch of sytematics concerned with inferring phylogeny is termed as cladistics.
- It determines the branching pattern of evolution.
- It decribes the sequence of branching of ancestral lines.
- The basic idea behind cladistics is that the members of a group share common evolutionary history, and are closely related, more so to members of the same group than to other organisms.
