C. Rub your tires up against the curb to slow down.
Answer: You are sitting at a Mexican restaurant waiting for your food. The waiter brings a very hot plate, telling you to be careful about touching it. You touch it anyway, producing a pain sensation in your fingers, a withdrawal of your hand, and an auditory comment of what you are thinking. This scenario represents an <u>involuntary</u> act on the neuronal circuit.
Explanation:
<em>The neurons</em> of an organism form <u>numerous circuits </u>that originate very complex networks. The nervous current that circulates through them produces two <u>types of acts:</u>
- Involuntary Acts. (reflex arc)
They are<u> fast, automatic, and are performed without the action of the brain</u>. In a reflex act, sensitive information only reaches the spinal cord, so the <em>response is automatic</em>. They are the ones that are performed when a quick response is needed.
They are <u>varied, changing, and more elaborated.</u> Voluntary acts are carried out in a conscious way and are <em>controlled voluntarily</em>. Not all are a consequence of the reception of an external stimulus, since t<u>hey can be produced directly in the cerebral cortex</u> without the need for an external stimulus.
Most foodstuffs contain natural, radioactive isotopes : TRUE.
- Radioactivity is, and always has been, present in all foodstuffs to some extent. Recent events have made the general public aware of this and most do not know about radioactivity and radiation.
There are four possible sources of radioactivity in foodstuffs: one natural and three artificial.
- Natural Radioactivity
- Industrial Radioactivity
- Weapons Testing
- 4. Accidents Involving Radioactivity:
Airborne radioactivity mainly consists of nuclides attached to dust particles which settle directly onto the ground or can be washed out by rain. Some radionuclides are gases and these are mainly washed out by rain.
Thus, both vegetation and soil can be contaminated, so radioactive elements remain their in foodstuffs.
To know more about radioactive isotope click here
brainly.com/question/2028971
#SPJ4
