OSE 7.3 L12 Concept Review

When food is burned, a chemical reaction occurs and ______ is released and different substances are made.

Tags

NGSS.MS-PS1-2

• -Rearranging molecular structure

• -Making new stuff from old stuff

• Is the definition of.....

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Oxygen is taken in (inhaled) through the lungs, and ____________ is exhaled through them.

Oxygen and carbon dioxide are transported to and from the _______ of the body.

• cells
• villi

• small intestine

• toes

Humans breathe out...

• oxygen

• carbon dioxide

• water vapor

• nitrogen

Tags

NGSS.MS-LS2-3

Alveoli are tiny air sacs at the end of our bronchial tubes in our ________.

Our oxygen levels ________ in our bodies as it passes through our systems.

Tags

NGSS.MS-LS1-3

Our carbon dioxide levels ________ in our bodies as it passes through our systems.

Carbon dioxide and oxygen molecules are smaller than glucose molecules.

• True

• False

The chemical reaction that happens within cells called cellular respiration rearranges food (glucose) and ________ molecules, which are the REACTANTS.

Tags

NGSS.MS-LS1-7