The image below shows an artery.
three layers of the artery
The middle layer contains...
The image below shows an artery.
three layers of the artery
The middle layer contains smooth muscle tissue, which contracts and relaxes to push blood. It also contains elastic connective tissue, which helps to regulate blood pressure.
How do the two tissues in the middle layer relate to the artery's function?
A.
The two tissues lack cells, but their location in the middle layer allows them to perform different functions.
B.
The two tissues consist of the same cells arranged into different shapes to perform different functions.
C.
The two tissues are made up of the same types of cells, and every cell performs all functions.
D.
The two tissues contain different types of cells, and each type performs different functions.
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