Respiration and Circulation

Which of the following takes place when we exhale?

• Lungs Expand

• Rib cage is raised

• Diaphragm relaxes and arches upwards

• Volume of Thorax increases

Which of the following organs connect nasal cavity to lungs?

• nose

• bronchioles

• trachea

• alveoli

Which of the following pipe is made up thin-walled air sacs that are known as smallest pipe?

• Bronchi

• Bronchioles

• Alveoli

• Lungs

What happened to the diaphragm during exhalation?

• Diaphragm moves up

• Diaphragm moves down

• Diaphragm does not move

• Diaphragm moves sideways

What kind of gas do cells diffused or give out into our blood?

• carbon dioxide

• oxygen

• nitrogen

• methane

Which of the following blood vessels carry blood from HEART to different parts of the body?

• arteries

• veins

• cappillaries

• heart

Which of the following blood vessels carry blood from different parts of the body to the HEART?

• arteries

• veins

• cappilaries

• heart

What kind of gas do deoxygenated blood contained?

• oxygen

• carbon dioxide

• nitrogen

• water vapor

Tags

NGSS.MS-LS2-3

Which of the following is the correct cycle of circulation of blood in our body

• cell - heart - lungs - heart - cell - heart - lungs - heart - cell

• heart - cell - lungs - cell - heart - lungs - cell - heart - cell

• cell - lungs - heart - lungs - cell - lung - heart - lungs - cell

• cell - lungs - lungs - heart - cell - lung - lungs - heart -cell

In the lungs, gas exchange takes place between the respiratory and the ________ systems.

• nervous

• muscular

• circulatory