What technological advancement helped prove the theory of blood circulation

Which training principle states that exercising a certain body part are practicing a particular skill primarily develops that part or skill

How does the fitt principle apply to the development of successful personal fitness programs

1infants internalize what they take in through their senses and                a.  show no signs of remembering it.      b.  vocalize it.      c.  display it in physical movements.      d.  forget it immediately.2 early experiences have a impact on the architecture of the brain.                a.  decisive      b.  mild      c.  minimal      d.  moderate  3which of the following is an infant's main learning tool in the first months after birth?                 a.  mouth      b.  music      c.  book exposure      d.  hands