Multiple choice

In which of the following organisms is the circulation of body fluids intracellular?

  1. Earthworm

  2. Paramecium

  3. Starfish

  4. Human beings

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Paramecium is a unicellular organism and shows streaming movement called cyclosis. It helps in intracellular circulation and distribution of materials in the cells.