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Aleksandr [31]
3 years ago
10

Dan was running, and he tripped and hurt his knee. The pain signals were carried to his brain by the:

Biology
1 answer:
Maru [420]3 years ago
3 0

Answer: Central Nervous System

Explanation:

The emotions such as pain, happiness, trauma and other sensory things are controlled by the brain. The things that we feel like pain, heat, cold et cetera are also controlled by the brain.

The nervous system has two parts peripheral nervous system and the central nervous system. The pain signals are carried from the knees to the brain by the central nervous system.

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The DNA strand is folded into nucleosomes, bead-like structures on the DNA and fold up into the 30nm fibers. During meiosis and mitosis, the chromatin is super-coiled up into thicker fibers called chromosomes. Chromosomes within the nucleus can be viewed by a light microscope in a cell in metaphase.

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