QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
A hypothetical organ has the following functional requirements:
The ability to brush substances past its cells.
The ability to contract in an involuntary and autorhythmic fashion.
The ability to be flexible but also tough.
The organ needs one tissue to carry out each of these requirements, and it also needs one tissue to "glue" all other tissues together.
What are the four tissues that will make up this hypothetical organ? Justify your choices.
a) Epithelial tissue, nervous tissue, smooth muscle tissue, connective tissue
b) Muscle tissue, epithelial tissue, nervous tissue, connective tissue
c) Epithelial tissue, cardiac muscle tissue, connective tissue, nervous tissue
d) Smooth muscle tissue, nervous tissue, connective tissue, epithelial tissue
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Answer
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Step 1Let's solve this step by step by analyzing the functional requirements and matching them to specific tissue types:
Step 2: Brushing substances past cells
- $$\text{Tissue for brushing: Epithelial tissue}
- This requirement suggests the need for a tissue that can move substances - Epithelial tissue is ideal for this function - It lines surfaces and can help move substances across or along its surface
Final Answer
Justification: This combination of tissues provides all the required functional capabilities for the hypothetical organ: - Epithelial tissue for moving substances - Smooth muscle tissue for involuntary contraction - Connective tissue for structural support - Nervous tissue for coordination and control
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