Fungi don't have a circulatory system like animals do. They don't have blood, vessels, or a heart to pump fluids around. Instead, they rely on a different method to transport nutrients and waste: diffusion.

Here's how it works:

* Hyphae Network: Fungi are made up of thread-like structures called hyphae. These hyphae branch and intertwine to form a vast network called a mycelium.

* Surface Area: This network provides a huge surface area for absorption and transport.

* Diffusion: Nutrients, water, and gases move through the hyphae by diffusion, which is the passive movement of molecules from an area of high concentration to an area of low concentration.

* Internal Transport: Some fungi also have specialized hyphae for long-distance transport, using a combination of diffusion and pressure gradients.

In summary:

Fungi rely on diffusion and their extensive hyphae network to distribute nutrients and remove waste. They don't have a central circulatory system like animals.