Respiration and Breathing

Which substances do we breathe out?

• Water

• Carbon dioxide

• Oxygen

• Carbon monoxide

What adaptations make the alveoli good at their job?

• they are round, so can fit easily in the lungs

• they have a large surface area, so can transport many oxygen molecules

• they have a good blood supply

• they have thick walls so are strong cells

Tags

NGSS.HS-LS2-5

NGSS.HS-LS4-4

which happens during inhalation?

• rib muscles expand/ rib cage expands / diaphragm moves down

• rib muscles contract / rib cage contracts/ diaphragm moves down

• rib muscles contract / rib cage expands / diaphragm moves down

• rib muscles contract / rib cage contracts / diaphragm moves up

What do the alveoli most resemble?

• bananas

• grapes

• pineapples

• avocados

which happens during exhalation?

• rib muscles expand/ rib cage contracts/ diaphragm moves up

• rib muscles contract / rib cage contracts/ diaphragm moves down

• rib muscles expand / rib cage expands / diaphragm moves down

• rib muscles contract / rib cage contracts / diaphragm moves up

Why is respiration extremely important?

• To help us perform voluntary activities

• To sustain life and provide necessary oxygen to cells

• To remind ourselves to inhale and exhale

• To break down food molecules for energy

Tags

NGSS.MS-LS1-7

Which of the following is true about breathing and respiration?

• Breathing involves the breakdown of food molecules, while respiration is the exchange of gases.

• Breathing and respiration are the same thing.

• Breathing is a part of respiration, but they have different functions.

• Breathing is the process of deriving energy from food molecules.

What is cellular respiration?

• The exchange of gases at the nasal level

• The exchange of gases between the lungs and blood

• The breakdown of food molecules by the cells

• The exchange of gases within the cells

Tags

NGSS.MS-LS1-3

How is internal respiration different from cellular respiration?

• Internal respiration occurs at the nasal level, while cellular respiration occurs within the cells.

• Internal respiration involves the breakdown of food molecules, while cellular respiration is the exchange of gases.

• Internal respiration is the exchange of gases between the lungs and blood, while cellular respiration is the breakdown of food molecules.

• Internal respiration is restricted to the cells, while cellular respiration occurs in the lungs.

Do all organisms have a similar respiration system?

• Yes, all organisms have the same respiration system.

• No, the mechanisms of respiration vary from habitat to habitat and from organism to organism.

• Yes, but the mechanisms of respiration are different in different organisms.

• No, only humans have a respiration system.