Cardiovascular / Respiratory system

What is the main function of the respiratory system?

• Taking in oxygen
• Getting rid of carbon dioxide
• None of these
• All of these

What is the main function of the cardiovascular system?

• Taking in oxygen
• Transporting substances throughout the body
• Making blood
• Getting rid of carbon dioxide

Respiratory system maintains homeostasis by...

• balancing levels of carbon dioxide and oxygen levels in the blood
• Balancing glucose levels in blood
• Regulating blood pressure
• Absorbing nutrients

Tags

NGSS.MS-LS1-3

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

Tags

NGSS.HS-LS1-7

The air sacs that are covered with capillaries that separate gases we need from gases we don't need.

• bronchi
• lungs
• oxygen
• alveoli

Which is NOT a function of the respiratory system?

• it warms the air
• it exchanges O₂ and CO₂
• It pumps blood to the organs
• it creates sound through the larynx

What are the two upper chambers of the heart called?

• Atria
• Ventricles
• Aortas
• Septums

What are the bottom chambers of the heart called?

• Septums
• Aorta
• Atria
• Ventricles

Which of the following are the blood vessels that have a wall that is 1 cell thick?

• Veins
• Arteries
• Cappillaries

What is the function of a valve?

• Helps blood to clot
• Keeps blood flowing in all directions
• Keeps blood flowing in one direction
• Stops blood from flowing