Digestive System
Respiratory System
Cells & Tissues
Muscle/Skeletal Systems
Challenge/New! Circulatory System
100
The part of the body where food enters, and digestion begins.
What is the mouth?
100

The most important organ to breathing, this organ is separated into two parts.

What are the lungs?

100

A collection of tissues.

What is an organ?

100

A set of arcing bones that protect the heart and lungs.

What is the rib cage?

100
This is the most important organ in the Circulatory System
What is the heart?
200
After traveling down the esophagus, food stops here and is mixed with strong acids.
What is the stomach?
200

Running parallel to the food tube, this pipe brings oxygen to the lungs.

What is the trachea?

200

This type of tissue works "involuntary" in organs such as the stomach, intestines, and liver.

What is smooth muscle tissue?

200

This connects bone to bone.

What are ligaments?

200
The heart moves this throughout the body.
What is blood?
300

The longest part of the intestine. Responsible for absorption of nutrients.

What is the small intestine?

300

This prevents food from entering your trachea ("windpipe").

What is the epiglottis?

300

The specific type of muscle tissue that makes up the heart.

What is cardiac muscle tissue?

300

The connective tissue that connects muscle to bone.

What is a tendon?

300

The tubes that carry blood from parts of the body back to the heart

What are veins?

400

This organ produces insulin which helps to regulate your blood sugar levels.

What is the pancreas?

400

The muscle underneath the lungs that helps with breathing.

What is the diaphragm?

400

These cells are unspecialized and can turn into any type of cell.

Stem cells


400
The connective tissue that is found at joints.
What is cartilage?
400
The tubes which carry blood from the heart to the rest of the body.
What are the arteries?
500

The fluid made by the liver that breaks down fats and helps with digestion.

What is bile?

500

This is where gas exchange takes place (O2 enters the blood and CO2 leave).

What are alveoli?


* the process of gas exchange is where the respiratory system and the circulatory system meet!

500
This type of tissue is found in the brain, spinal cord and nerves.
What is the nervous tissue?
500

The largest bone in your body.

What is the femur?

500

These smallest vessels that carry blood to body tissues.

What are capillaries?

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