Cell City
Tiny But Mighty
Building the Body
Systems at Work
Science Detective
100
What is the smallest unit of life?
What is a cell?
100

A group of similar specialized cells working together forms this.

What is a tissue?

100

Cells → ______ → organs → organ systems

What are tissues?

100

This organ system moves blood, oxygen and nutrients throughout the body.

What is the circulatory system?

100

A student sees many similar cells grouped together. What level are they observing?

What is a tissue?

200

This organelle controls what enters and leaves the cell.

What is a cell membrane?

200

The human body has many types of cells. An organism with more than one cell is called...

What is a multicellular organism?

200

The heart is an example of this level of organization.

What is an organ?
200

The lungs belong to this organ system.

What is the respiratory system?

200

If I touch a hot stove and immediately pull away, the information your brain receives comes from...

What are sensory neurons?

300

This structure contains DNA and acts like the “control center” of the cell.

What is the nucleus?

300

What structure releases energy for carrying out cellular activities?

What is mitochondria?

300

An organ is made of different types of ______ working together to carry out a complex function.

What are tissues?

300

This system sends sensory information to the brain.

What is the nervous system?

300

A person exercises and begins breathing faster. Which two systems are working together?

What are the respiratory and circulatory systems?

400

The jelly-like material inside a cell where organelles are found.

What is the cytoplasm?

400

What organelles are only present in plant cells?

What are chloroplast, vacuoles, and cell walls?

400

Put these in order from simplest to most complex:
Organ, Cell, Organ System, Tissue


What is Cell → Tissue → Organ → Organ System?

400

What happens when the brain receives and processes sensory information?

What is. the brain decides how the body should respond?

400

A student says: “Organs are just large cells.” Explain why this is incorrect.

What is Organs are made of many different tissues, and tissues are made of many cells working together?

500

A scientist compares a cell to a factory. The mitochondria would be the ______ because they provide energy.

What is the power house or power plant?

500

Some organisms only have one cell. What are those organisms called?

What is a unicellular organism?

500

An organ system is made up of ________ and completes a major function to keep the organism ________. 

What is organs and alive?

500

Multiple organ systems work together to maintain a stable internal environment. This process is called

What is homeostasis?

500

Describe a time when your brain has received sensory information.

Answer must include when they have felt, tasted, heard, seen, or smelled something

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