Systems
The Foundation
Cells
Misc
100

This system is responsible for giving your body the oxygen needed to survive.

What is the Respiratory System?

100

A chemical bond that is made by SHARING electrons

What is a covalent bond?

100

This organelle holds most of the DNA in the cell.

What is the nucleus?

100

A systematic study of the natural world that allows us to understand it better.

What is science?

200

This system includes the largest organ in the human body.

What is the Integumentary System?

200

An atom's outermost electrons.

What are valence electrons?

200

This holds the chlorophyll in the plant cell.

What is the chloroplast?
200

An abrupt change in DNA compared to the organism's parents.

What is mutation?

300

This system, which is very important for our overall health, was, until recent years, thought to be vestigial organs.

What is the Lymphatic System?

300

The number of protons in the nucleus of an element.

What is the Atomic number?

300

These give the cell energy, and are sometimes called the powerhouse of the cell.

What are the mitochondria?

300

An organism that eats other organisms.

What is a predator?

400

The main organ of this system is the heart, which pumps blood throughout the entire body.

What is the Circulatory System?

400

Substances that are composed of positive (metal) or negative (nonmetal) ions. 

What are ionic compounds?

400

This cell has a nucleus.

What is a eukaryotic cell?

400

The process by which organic materials are turned into a stony substance.

What is petrifaction?

500

This system has many organs that both directly and indirectly work to do both physical and chemical processes to give the body the necessary nutrients it needs.

What is the digestive system?

500

CO2

What is the chemical formula of Carbon Dioxide?

500

These medicines are designed to kill microorganisims.

What are antibiotics?

500

Skeletal, Smooth, and Cardiac

What are the three types of muscle tissue?