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.
- How are small molecules transported?
- What is vascular bundle?
- What are properties of blood in arteries?
- What is pulmonary vein?
- What happens to excess amino acids in liver?
- What is sequence of transport of food?