Answer: However, during exercise, many other muscles become important to respiration. During inspiration, the external intercostals raise the lower ribs up and out, increasing the lateral and anteroposterior dimensions of the thorax.
Answer:
Beach, this should not be for any school stuff that's wrong if it is because some people struggle with stuff like this but if it was only supposed to be some kind of lesson or whatever then i'm sorry.
Explanation:
You are suppose to warm up for 30min then start your work out
Undigested substances are passed through the large instines I hoped I helped you