Different parts of living things work together during respiration. Oxygen enters the nose and follows the path to your lungs. Cilia help keep the oxygen that moves into your lungs clean. Next alveoli allow oxygen from the air to pass into your blood. All of these parts working together create a very important process for humans. What is this process called?

A) digestion
B) evolution
C) reproduction
D) respiration

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

Brainliest. what are two not needed parts of the body?

If you know answer will mark brainliest