7.3

Gas exchange is needed to supply _____________ to cells and remove __________________

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

The air sacs that are covered with capillaries where gas exchange takes place.

• Bronchi

• Trachea

• Oxygen

• Alveoli

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

What are the reactants in this chemical equation?

• villi and alveoli

• water and energy

• glucose and oxygen

• blood and cells

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

List the steps of the scientific method

d

e

f

c

b

a

Conduct experiment

Draw conclusions

Communicate results

Analyze results

Ask a question

Form a hypothesis

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

What are the products in this chemical equation?

• villi and alveoli

• water, carbon dioxide, and energy

• glucose and oxygen

• blood and cells

Tags

NGSS.MS-LS1-6

When a person like Amaya burns glucose, where do the product molecules of CO2 and H20 go?

• out of the body through sweat

• out of the body through pooping

• out of the body through breathing

• turned into muscle

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What's the difference between starch and glucose?

• Starch is a type of protein and glucose is a sugar

• Starch is made up of many glucose molecules bonded together

• Glucose is made up of many starch molecules bonded together

• Glucose is a type of protein and starch is a sugar

Why do molecules in the small intestine seem like they are disappearing?

• The molecules are getting absorbed into the blood

• The molecules are returning to the stomach

• The molecules are going to the large intestine

• The molecules are broken down and no longer exist

Tags

NGSS.MS-LS1-7

What does COMPLEX CARBOHYDRATES (starch) turn into when it is chemically broken apart?

• Glucose

• Fatty Acids

• Amino Acids

• Fiber

Tags

NGSS.MS-LS1-7