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 ____________ 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 ______ 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