Functions of the System
This system is the "body's highway," transporting oxygen and nutrients in the blood.
What is the Circulatory System?
This is the smallest, most basic unit of all living things.
What is a Cell?
When you run, your Lungs take in air and your Heart pumps it faster. Which two systems are these?
What are the Respiratory and Circulatory systems?
The Trachea, Lungs, and Diaphragm belong to this system.
How many TOTAL atoms are in the formula for Water (CO₂)?
What is 3?
This system uses glands to release chemical hormones that regulate your growth.
What is the Endocrine System?
A group of similar cells working together for a specific job is called this.
What is a Tissue?
Your Brain sends a signal to your Bicep to lift a book. Name the two systems working here.
What are the Nervous and Muscular systems?
The Brain and Spinal Cord are the two main organs of this system.
What is the Nervous System?
This term describes the body’s ability to maintain a stable internal environment (balance).
What is Homeostasis?
This system acts as a "janitor" to filter your blood and remove liquid waste.
What is the Excretory System?
This level is represented by a group of different organs working together (Level 4).
What is an Organ System?
Nutrients are absorbed in the Small Intestine and then stored in the Bones. Name the two systems.
What are the Digestive and Skeletal systems?
The Kidneys and Bladder are the primary organs for this "waste-removing" system.
What is the Excretory System?
How many atoms of Oxygen are in the formula H₂SO₄?
What is 4?
This system is the body's first line of defense against germs and regulates temperature.
What is the Integumentary System?
In a "Nesting Doll" model, which level would be represented by the largest, outermost doll?
What is the Organism?
When you are cold, your muscles shake (shiver) to warm up your skin. Name the two systems.
What are the Muscular and Integumentary systems?
This organ is a muscular bag that breaks down food using acid.
What is the stomach?
This type of muscle is "voluntary," meaning you can choose to move it.
What is Skeletal Muscle?
This system is responsible for the exchange of Oxygen and Carbon Dioxide gases.
What is the Respiratory System?
Blood contains different types of cells working together. Which level of organization is blood?
What is a Tissue?
Glands release hormones that tell your leg bones to grow taller. Name the two systems.
What are the Endocrine and Skeletal systems?
These specific blood vessels carry oxygen-rich blood AWAY from the heart.
What is Arteries?
True or False: Digestion begins in the stomach.
What is False?