Compare the reaction times for voluntary vs. involuntary activation of the quadriceps muscle. what might account for the observed differences in reaction times? outline what has to occur in the body for each reaction to occur. refer to your drawing from step 23. information from the flow chart you created in activity 2.2.1 might also be

The involuntary action or reflex of the quadriceps muscle is actually much faster than that of the voluntary action. This is because involuntary reflex action does not have to take the time of travelling to our brain before the action is created. While the voluntary response requires us first to feel the stimuli, decide what to act, and then send an impulse to the muscle in order to act.

is called echinoderms

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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