Digestion and Respiration Review

What 2 liquids help break down our food?

• Saliva

• Stomach acid

• Blood

• Mucus

Your food is digested into ______________.

• Hamburgers

• Glucose

• Fructose

• Sucrose

Glucose molecules store _____________.

• chemical energy

• kinetic energy

• gravitational potential energy

• heat energy

Once the food you eat has been broken down through digestion into glucose, it enters the (a)   and is transported to your cells.

The energy stored in glucose is transferred to ________________.

• A molecule known as ATP

• A molecule known as ADP

• water molecules

• oxygen molecules

True or False: Cellular Respiration is a chemical reaction.

• True

• False

Cellular respiration requires (a)   molecule of glucose.

How many molecules of oxygen are required in cellular respiration?

• one

• three

• six

• five

What are the products of cellular respiration?

• 6 molecules of H2O and ATP

• 6 molecules of CO2, 6 molecules of H2O and ATP

• 1 molecule of glucose

• 1 molecule of glucose and 6 molecules of O2

What are the inputs, or reactants, that cells take in to make energy?

• carbon dioxide and water

• starch and protein

• amino acids and glucose

• glucose and oxygen