Levels of Life
Body Chemistry
Atoms
Bonds
Reactions
100
A group of cells of the same type form a(an):
What are tissues?
100

This is the element that makes up most of our body at 65%

What is oxygen?

100

There is only one type of atom in this.

What is an element?

100

A positively charged ion.

What is a cation?

100

When reactants combine to create a more complex product.

What is synthesis?

200
A group of tissues working together for a specific function form a(an)
What are organs?
200

The backbone of lipids and proteins.

What is carbon?

200

These are the three subatomic parts of every atom

What are protons, neutrons, and electrons?

200

A negatively charged ion.

What is an anion?

200

When reactants break down into smaller less complex products.

What is decomposition?

300
The ability of the body to maintain a relatively stable internal environment is referred to as:
What is homeostasis?
300

This makes body fluids more acidic.

What is hydrogen?

300

In an atom's outermost shell, this number of electrons is considered a full valence shell.

What is the 8?

300

The weakest type of bonding.

What is an ionic bond?

300

The combination of all anabolic and catabolic reactions in the body.

What is metabolism?

400
The scientific discipline that investigates the body’s structure and shape is called:
What is Anatomy?
400

A substance that may contain carbon or hydrogen, but never both.

What is an inorganic compound?

400

When an atom gains or loses and electron, it becomes one of these.

What are ions?

400

This is unequal electron sharing between bonded atoms.

What are polar covalent bonds?

400

These are the four types of energy.

What are potential, kinetic, mechanical, and chemical?

500

At the chemical level, these make up everything starting with our DNA.

What is an atom?

500

Glucose is an example of this type of compound.

What is an organic compound?

500

Electronegativity will be this if there are 6-7 electrons in the atom's valence shell.

What is stronger electronegativity?

500

When a neutral atom becomes positively charged, it did this.

What is give up an electron?

500

This is a catalyst that increases a chemical reaction.

What is an enzyme?