Cell
Tissue
Organ
Organ System
Levels of Organization
100

What is the basic unit of life?

Cell

100

What is a tissue?

A group of cells working together to perform a specific function. 

100

Which organ pumps blood throughout the body?

Heart

100

What is an organ system?

A group of organs working together. 

100

List the levels of organization in order from smallest to largest.

Cell - Tissue - Organ - Organ System - Organism

200

Which part of the cell controls all of its activities, like the brain of the cell?

The Nucleus

200

What type of tissue helps your body move? 

Muscle Tissue

200

Which organ helps you breathe in oxygen and release carbon dioxide?

Lungs
200

Which organ system protects the body from disease and infection?

The Immune System

200

Which level comes directly after tissues in the hierarchy of organization?

Organ
300

What are the small structures inside a cell that perform specific functions called?

Organelles

300

Which type of tissue sends messages throughout the body?

Nervous Tissue

300

Who is the Flyest teacher at Richard Allen? 

Mr. Washington

300

Which organ system controls body functions using electrical signals?

Nervous System. 

300

How are cells and organisms similar?

They both reproduce, both grow/complete life cycle.

400

Which type of cell carries oxygen throughout the body?

Red Blood Cells

400

How are tissues related to organs?

They come together to form organs.

400

Which organ filters waste from your blood to make urine?

The Kidneys

400

Which organ system breaks down food into nutrients your body can use?

Digestive System

400

Which level of organization includes groups of organs working together?

Organ System
500

What is the outer layer that controls what enters and leaves the cell?

Cell Membrane

500

What type of tissue quickly regenerates skin cells?

Epithelial Tissue.

500

Which organ controls your thoughts, movements, and senses?

Brain
500

Which organ system moves blood and nutrients throughout the body? 

Circulatory / Cardiovascular System.

500

Which organ breaks down food into nutrients your body can use?

Stomach

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