This decrease of pressure in the thoracic cavity relative to the environment makes the cavity pressure less than the atmospheric pressure. This pressure gradient between the atmosphere and the thoracic cavity allows air to rush into the lungs; inhalation occurs. The resulting increase in volume is largely attributed to an increase in alveolar space because the bronchioles and bronchi are stiff structures that do not change in size.
DNA molecular structure called
Answer: B
Explanation:
Each produce food necessary for each organisms.
I’d imagine “located near a star” considering that stars are suns and planets orbit around suns. Like earth orbits our sun. So I would look at the star it orbits to determine that it is not in our galaxy.
