Do earthworms have a closed circulatory system?
Understand the Problem
The question is asking whether earthworms possess a closed circulatory system, which requires an understanding of their anatomy and physiology.
Answer
Closed circulatory system
The final answer is that earthworms have a closed circulatory system.
Answer for screen readers
The final answer is that earthworms have a closed circulatory system.
More Information
Earthworms have a closed circulatory system, which means their blood is contained within vessels throughout its circulation. This is more efficient than an open circulatory system, allowing for better regulation of blood flow and nutrient distribution.
Sources
- The web page with info on - Example Source - sas.upenn.edu
- Earthworm Circulatory System | Overview, Anatomy & Diagram - study.com
- Why Does an Earthworm Have a Closed Circulatory System? - sciencing.com