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masha68 [24]
3 years ago
13

Help please, 20 points.

Biology
1 answer:
vivado [14]3 years ago
4 0

Answer:

B. we continue to grow new neurons, but we grow fewer new neurons than when we are young.

Explanation:

Scientists have now discovered that you can grow new brain cells throughout your entire life. The process is called neurogenesis. Specifically, new brain cells–which are called neurons.

Hope this helps.

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Retraction occurs in the scapula (Shoulder blades) and mandible (jaw). Dorsiflexion you see that happen in your foot. When you bring your toes closer to the shin. Supination is more on the forearm and foot, where you rotate it so your palms are facing forward (sole facing the other ankle for feet). Flexion is the movement of body parts where you bring them closer to each other at a joint (the angle between the two parts are lessened). Like when you bend your elbows to "flex" muscles.

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