Topic: Food Energy and Respiration Subtopic: How we breathe?
Which muscles make our chest move?
Answer: There are two major muscles in our chest that make it move. One of them are Intercoastal muscles that are located between each pair of ribs. The second one are the diaphragm muscles. These muscles help increasing and decreasing the size of lungs when we breathe.
- Why is blood important?
- What are xylem and phloem?
- What is result of viruses when we sneeze?
- What is job of heart?
- From where does roots take up oxygen?
- What happen when we exhale?