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Multiple Choice
Why is an artery classified as an organ in the human body?
A
Because it only contains a single type of cell.
B
Because it is the largest blood vessel in the body.
C
Because it is responsible for producing blood cells.
D
Because it is composed of multiple tissue types working together to perform a specific function.
Verified step by step guidance
1
Step 1: Begin by understanding the definition of an organ in the human body. An organ is a structure composed of two or more types of tissues that work together to perform specific functions.
Step 2: Analyze the structure of an artery. Arteries are blood vessels that transport oxygenated blood away from the heart to the rest of the body.
Step 3: Identify the tissue types present in an artery. Arteries are composed of multiple tissue types, including epithelial tissue (endothelium lining), smooth muscle tissue (for contraction and regulation of blood flow), and connective tissue (providing structural support).
Step 4: Relate the function of an artery to its classification as an organ. The combination of these tissues allows arteries to perform their specific function of transporting blood efficiently, which meets the criteria for being classified as an organ.
Step 5: Conclude that the correct answer is: 'Because it is composed of multiple tissue types working together to perform a specific function,' as this aligns with the definition of an organ in Anatomy & Physiology.