The discs flex and squish allowing<span> the vertebrae to move slightly... therefore giving the backbone flexibility
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Intercostal Muscles
The muscles of respiration
are muscles that contribute to exhalation and inhalation by causing the contraction
and expansion of the thoracic cavity. However, diaphragm is the main muscle of breathing
while intercostal muscles is one of the most important muscles for respiration.
Intercostal muscles function by manipulating the width of the rib cage and they
are attached between the ribs.
A structure that performs a specialized function within a cell is known as
A) a tissue
B) an organ
C) an organelle
D) a system
Answer D
The reason was made because they wanted people to be able to come and leave from china
It is an indicator of poor air quality from air pollution. This pollution is most often ozone or particulates. Typically it indicates that the air is unhealthy for children, the elderly, and sensitive groups.