All of the Following Obtain Their Oxygen by Diffusion from Surrounding

question 23

Multiple Choice

All of the following obtain their oxygen by diffusion from surrounding water except:

• A)sponges
• B)dolphins
• C)cnidarians
• D)roundworms
• E)frogs

---

Definitions:

Arthroscopy

A minimally invasive surgical procedure used to examine and treat problems inside a joint using a special instrument called an arthroscope.

Detecting Arthritis

Involves the methodology and techniques used to identify and diagnose arthritis in patients.

Cysts

Fluid-filled sacs that can develop in various parts of the body, often benign and without symptoms.