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grin007 [14]
3 years ago
14

Which of the following is true of penguins?

Biology
1 answer:
Alexxx [7]3 years ago
5 0

A. They live in the polar regions of the Northern and Southern Hemispheres.

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A nerve is a bundled unit of nerve fibers located ________ the brain and spinal cord, connecting various parts of the body.
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If a human cell contains 22 chromosomes and an y chromosome, it is called:
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1.) Librarians organize books according to a classification system. Describe another type of classification system you have seen
Mila [183]

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1) 5 kingdom system of classification is a type of classification in which all the living organisms are classified into 5 kingdoms i. e. protista, monera, fungi, plantae and animalia.

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8 0
3 years ago
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Explain why the ratio of motor neurons to muscle fibers is greater in muscles that control eye movement than in postural muscles
EleoNora [17]

Answer:

The muscles of the eye cover a greater number and in turn carry out greater fine motor skills.

Explanation:

Alpha motor neurons are neurons that invent the skeletal muscle, that is, striated, so that through the motor plate that is the unit that unites them, an action potential is transmitted that contracts the sarcomeros of the elastic fibers and the z lines. come closer, each eye movement is much more precise than the locomotion of the lower limb, which carries greater innervation in each muscle bundle due to the specificity of the movement, this is how more alpha motor neurons are required to mobilize the eye than a leg.

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