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Kazeer [188]
4 years ago
13

Of the chemicals that fall under the toxic substances control act, ________% have been thoroughly tested for toxicity and ______

__ have been tested for endocrine, nervous, or immune system damage.
Biology
1 answer:
givi [52]4 years ago
7 0
10 percent and for the second blank the answer should be none 

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Please help, appreciated if you do :) Which of these accurately describes the change in the muscle cells of a person running a m
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Hey there!

The correct answer would be a Decrease in myoglobin. Myoglobin contains a large amount of oxygen, and desaturates when muscles move. When you run a marathon, your muscles move and thus you have decreased myoglobin.

3 0
3 years ago
The highlighted structure is innervated by the ________ nerve.
kogti [31]

The highlighted structure is innervated by the <u>Optic</u> nerve. The correct option is c.

<h3>What is the optic nerve?</h3>

The optic nerve is essential for vision. It is a part of your central nervous system, which also includes your brain and spine. The optic nerve is responsible for transmitting electrical impulses from your eyes to your brain.

This sensory information is processed by your brain so that you can see. The optic nerve is a network of over one million nerve fibers that transmit visual data. One connects the back of each eye (the retina) to the brain. Optic nerve damage can result in vision loss.

Therefore, the correct option is c, Optic nerve.

To learn more about optic nerves, refer to the link:

brainly.com/question/29654546

#SPJ1

The question is incomplete. Your most probably complete question is given below:

Spinal nerve roots.

Central canal.

Optic nerve.

Accessory Nerve.

3 0
2 years ago
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