Yes this is true happy to help you :)
Answer:
Nonmetallic
Explanation:
I just took the assignment and I am Big Brain.
Cells are combined in a structure called tissue wich have the same properties like the cells wich are formed by.
Answer: lower atmospheric pressure
Explanation:
During the inspiration process the diaphragm, and external intercostal muscles. The contraction of the diaphragm causes the increase in the size of the thoracic cavity this causes the contraction of the external intercostal muscles. As a result of this the ribs and the sternum get elevated.
This causes the lungs to expand, and increasing the volume of the air passage. In this response the air pressure inside the lungs reduces below the air outside the body. Thus this facilitates the movement of the gases from a region of high pressure to low pressure, this way the air rushes into the lungs.
What does the diagram represent here? I am having trouble understanding
