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motikmotik
2 years ago
6

A child has fallen while riding a bike. When should a bystander call 911?

Health
2 answers:
iragen [17]2 years ago
8 0

Answer:

A.

Explanation:

Trust Me Bro

Sergeeva-Olga [200]2 years ago
7 0

Answer:a if the child is bleeding

Explanation: because he or she could be hurt

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Whenever movement, or force, needs to be exerted by an entire muscle, these fibers, classified now as Type I (slow-twitch fibers) and Type II (A and B) (fast-twitching fibers) will get stimulated by the terminal end of the neuron depending on the purpose, and will initiate contraction.

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Given what was said before, we can then say the following about the statement: Although it is true that slow-twitching fibers are not able to respond very fast to stimulation, and cannot generate much force, they are the first ones to be recruited, as the correct steps are slow-twitch fiber recruitment and then fast-twitch fiber recruitment if the load and speed require such. Sometimes only the slow-twitch fibers will be recruited, if the load, or the speed required from the muscle, does not exceed a certain level.

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