Cells- chapter 2

The _________________is the smallest part of every living thing.

• cells
• tissue
• organs
• organ systems

Groups of similar cells form ______________.

• cells
• organs
• tissues
• organ systems

Different types of tissues join together to form ___________________.

• cells
• tissues
• organs
• organ systems

Organs and tissues group together to form ____________________.

• cells
• tissues
• organs
• organ systems

Which part of the cell allows certain materials to enter the cell and other materials to exit the cell?

• cell wall
• cell membrane
• nucleus
• mitochondria

Which process do most cells use to get energy?

• digestion
• respiration
• excretion
• photosynthesis

Red blood cells are small, smooth, and flexible saucers.  How does this shape help them to do their job?

• gives more strength
• covers more space
• helps move through blood vessels

In which body part would you find cells with hair-like structures?

• heart
• lungs
• mouth
• brain

A cell has branch-like structures.  What organ did it most likely come from?

• skin
• heart
• brain
• lungs