Receptor, afferent neuron, control center, efferent neuron, effector muscle (the options are not given in the correct way therefore the options are arranged in sequence)
Explanation:
Reflex arc refers to the neuronal pathway which is activated during the reflex or emergency actions in the body.
The reflex arc pathway is a very fast response as it shortens the time of the neuronal pathway.
When the receptor senses the reflex stimuli, it immediately generates the signals and transmits them to the spinal cord through the afferent or sensory neuron. When the signal reaches the spinal cord then the signals are perceived by the interneurons or control centre of the spinal cord and then transmit the response to the effector muscle through the efferent neuron or the motor neuron. This whole pathway is followed in just a few milliseconds.
Receptor, afferent neuron, control center, efferent neuron, effector muscle (the options are not given in the correct way therefore the options are arranged in sequence)
Explanation:
Reflex arc refers to the neuronal pathway which is activated during the reflex or emergency actions in the body.
The reflex arc pathway is a very fast response as it shortens the time of the neuronal pathway.
When the receptor senses the reflex stimuli, it immediately generates the signals and transmits them to the spinal cord through the afferent or sensory neuron. When the signal reaches the spinal cord then the signals are perceived by the interneurons or control centre of the spinal cord and then transmit the response to the effector muscle through the efferent neuron or the motor neuron. This whole pathway is followed in just a few milliseconds.
Leslie argues that an organism called a Euglena is a plant because it is eukaryotic, has a nucleus, makes its own food, and is unicellular. Where is Leslie's error? Plants do not make their own food..
A spring is a natural discharge point of subterranean water at the surface of the ground or directly into the bed of a stream, lake, or sea. Water that emerges at the surface without a perceptible current is called a seep. Wells are holes excavated to bring water and other underground fluids to the surface.
The seed consists of three components: embryo, endosperm (sometimes perisperm), and seed-coat. Both endosperm and embryo are the products of double fertilization, whereas the seed-coat develops from the maternal, ovular tissues. The seed habit is a significant advancement in the evolution of higher plants.
Anatomy of seed :-
Seed storage proteins provide a source of amino acids and reduced N necessary for germination and early growth of the seedling.
when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis.
Explanation: Osmosis is a process when there is movement of water from the region of comparatively higher concentration to the region of lower concentration across in a permeable membrane.
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