Answer:
tar
Explanation:
tar is the reason your lungs go black because it is evaporated into the smoke that you breathe in and is known to be the most known cause of cancer
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.
The multimedia ad from the Centers for Disease Control's advertising campaign for the flu vaccine includes image and text.
It does not include animation since the image or photograph is moving, it doesn't include a graph or chart since it is not discussing or promoting statistics.
Organs I guess.
(Sorry if Im not helping)
1.A
2.B
3.C
4.A
5.B
6.C
7.B
8.D
9.C
10.A
Hope that that helps!!!!
