D- Science 9 Final Exam

Which best describes the purpose of the cardiovascular system?

• It provides stability to the skeleton
• It delivers food to power the body
• It delivers blood to the body's tissues
• It supplies oxygen to the body

Your heart is an example of which type of muscle?

• a big one
• voluntary
• involuntary
• bicep

In which system of the human body does the heart belong?

• Nervous
• Skeletal
• Cardiovascular
• Digestive

tiny sacs of lung tissue specialized for the movement of gases between air and blood.

• lungs

• bronchi

• alveoli

• diaphragm

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following statements is true?

• Your lungs can store several hours' worth of oxygen.

• Your body can't store oxygen at all.

• Your body stores oxygen in your bloodstream.

• Your body needs carbon dioxide to function properly.

Tags

NGSS.MS-LS2-1

It refers to a condition that causes shortness of breath, caused by damage in the air sacs in the lungs (alveoli)?

• Asthma

• Emphysema

• Bronchitis

• Sinusitis

Which of the following refers to a condition in which your airways narrow and swell and may produce extra mucus?

• Asthma

• Bronchitis

• Emphysema

• Sinusitis

What would happen if your arteries cannot deliver blood?

• your tissues would not get the oxygen they need

• the skin would be extra hairy

• the heart would not work

• you would immediately fall asleep

Tags

NGSS.HS-LS1-3

What is the molecule responsible for the organism’s genetic material?

• chromosome

• DNA

• Protein

• RNA

Which of the following power plants generates electricity through the help of the fluid or magma underneath the ground?

• Fossil fuel power plant

• Hydroelectric power plant

• Geothermal power plant

• Solar electric cells