human
Question: In eukaryotic organisms, microtubules give cells structure, and microfilaments help the cell contract and move. Together, they combine to perform functions similar to what two human body systems?

Choices:
A) the endocrine and skeletal systems
B) the circulatory and respiratory systems
C) the skeletal and muscular systems
D) the integumentary and excretory system
gpt
The correct answer is 2: the skeletal and muscular systems.