Which of these happens during exhalation? a. Air moves from the environment to the alveoli.
b. The intercostal muscles expand.
c. The diaphragm returns to a dome shape.
d. The space inside the rib cage increases.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

1. what is the relationship between the shape of an enzyme and the reactions they catalyze?

2. how does an enzyme inhibitor work?

separate your answers so i dont get confused : )