Show:
Levels of organization
Digestive System
Respiratory System
Excretory System and other
Circulatory System
100

The smallest unit of all living things

What is a cell?

100

This organ is muscular and is lined with mucus.  Its job is to mix food and break it down.

What is the stomach?

100

These sponge like sacs that inflate and deflate, bringing air into and out of the body.

What are the lungs or alveoli?

100

The function of the excretory system is this.

What is ridding the body of waste?

100
These disc shaped cells transport oxygen from the lungs to the other parts of the body.
What are red blood cells?
200

The stomach, esophagus, intestines, liver and pancreas together make one of these.

What is an organ system?

200
Food travels down this long tube from the mouth to the stomach.
What is the esophagus?
200
Small sacks in the lungs which allow oxygen and carbon dioxide to move between the lungs and blood stream.
What are aveoli?
200

This organ cleans the blood and passes the waste products through a tube.

What are the kidneys?

200
Double Jeopardy: These blood cells are a vital part of the body's immune system.
What are white blood cells?
300

An entire living being, such as an elephant, is an example of one of these.

What is an organism?

300

The millions of tiny finger-shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed.

What are the villi?

300
This chemical is in the air we breathe and we need it to survive.
What is oxygen?
300

This describes homeostasis.

What is the process of an organism remaining balanced?

300

These are the types of blood vessels.

What are arteries and veins?

400

A group of cells, for example, in your cheek, is an example of this.

What is tissue?

400

This is the organ that gives insulin to balance blood sugar.

What is the pancreas?

400
This chemical is exhaled by animals, but plants "breathe" it in and use it to produce oxygen.
What is carbon dioxide?
400

This is an example of homeostasis.

ANSWERS VARY

400

This explains how our blood vessels are similar to the celery that was in the classroom.

What is the way celery transports water throughout the plant?

500

A group of tissue working together to do a task is this.

What is an organ?

500

This organ stores waste and removes water before it exits the body.

What is the large intestine?

500

This system works with the respiratory system to move oxygen throughout the body.

What is the circulatory sytem?

500

Describe the structure and function of an organ.

ANSWERS WILL VARY

500

This names a major organ system that works closely with the circulatory system and describes how they work together.

What is the respiratory system? And how is oxygen carried through the body?