mechanism of respiration

________ is the process that plants use to make food.

• Respiration
• Photosynthesis
• Chemical reaction
• Carbon dioxide

Tags

NGSS.MS-LS1-6

Plants and animals both use the process of _____ to release stored energy.

• photosynthesis
• chemical reaction
• growth
• cellular respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which of the following shows what happens to the chest cavity when air rushes into the lungs?

• decrease in volume

• deflates

• expands

• relaxes

Why does your body need oxygen?

• to produce energy

• to expel carbon dioxide

• to supply the food with oxygen

• to fill the lungs with oxygen

Why is the diaphragm important to the process of breathing?

• It helps air to be taken in and rushed out of the lungs

• It helps control air movement

• It helps to spread air throughout the lungs

• It helps to purify the air

How do you describe the condition of the diaphragm as one exhales?

• the diaphragm contracts

• the diaphragm relaxes

• the diaphragm goes down

• both a and c

What material in a lung model represents the diaphragm

• Y plastic tubes

• the plastic jar

• the plastic sheet

• 2 small plastic bags

Breathing and respiration refer to the same thing.

• True

• False

• It depends on the organism.

Earthworms breathe through their _____.

• gills

• skin

• spiracles

• lungs

On an average, an adult human being at rest breathes in and out______________ times in a minute.

• 15-18

• 20-25

• 30-35

• 40-45