Get started!

  • Challenge

    Answer 6 out of 8 questions correctly.

Cells are the building blocks of all living things. Just like your body contains organs, cells contain specialized structures called organelles that perform specific jobs. Organelles are suspended in cytoplasm, a jelly-like liquid.
To carry out their functions, a cell's organelles need a consistent environment. All cells are surrounded by a flexible cell
membrane,
which separates the cytoplasm and organelles from the outside environment. The cell membrane controls which substances are able to move into and out of the cell.
Select the true statements.
ref_doc_title.

Confetti

Jumping to stage 1 of 1

Excellent!

Now entering the Challenge Zone—are you ready?

Teacher tools