Tiny but Mighty
(Cells and Organelles)
Teamwork Makes the Body Work
(Tissues, Organs, & Systems)
Body Connections
(Interactions Between Systems)
Compare it
(Plant Vs Animal Cells)
Mystery Science
100

This part of the cell controls what enters and leaves the cell.

What is the cell membrane?

100

Cells that work together to perform a specific job form this.

What is a tissue?

100

This system works with the respiratory system to deliver oxygen to the body.

What is the circulatory system?

100

This type of cell has a cell wall.

What is a plant cell?

100

You get a cut and it heals. Which process is your body showing?

What is cells dividing and replacing damaged ones?

200

This organelle is known as the “powerhouse” of the cell.

What is the mitochondria?

200

Groups of tissues working together form this.

What is an organ?

200

The muscular system works closely with this system to help you move.

What is the skeletal system?

200

These cells have chloroplasts for photosynthesis.

What are plant cells?

200

A soccer player breathes heavily after running. Which two systems are working together?

What are the respiratory and circulatory systems?

300

This jelly-like substance holds all the organelles in place.

What is cytoplasm?

300

Organs that work together form this.

What is an organ system?

300

The respiratory system brings in oxygen and removes this waste gas.

What is carbon dioxide?

300

These cells have centrioles that help with cell division.

What are animal cells?

300

You eat lunch and later use that energy to play basketball. What process converts food into energy?

What is cellular respiration?

400

This structure holds the genetic material (DNA).

What is the nucleus?

400

This system includes the brain, spinal cord, and nerves.

What is the nervous system?

400

The excretory system helps remove these from the body.

What are wastes?

400

Both plant and animal cells have this protective outer layer.

What is the cell membrane?

400

A student feels hungry and their stomach growls. Which system is signaling the body?

What is the nervous system?

500

This organelle is found in plant cells and uses sunlight to make food.

What is the chloroplast?

500

This system breaks down food into nutrients your body can use.

What is the digestive system?

500

When you run, this system increases your heart rate while another increases your breathing. Name both.

What are the circulatory and respiratory systems?

500

The vacuole in a plant cell is usually ______ than in an animal cell.

What is larger?

500

If your kidneys stopped working properly, which system would be affected?

What is the excretory system?