What is the main function of the heart in the circulatory system?
Cardiology and Respiratory

Quiz
•
Science
•
7th Grade
•
Easy
Gabriella Ortiz
Used 11+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To bake cookies
To fly in the sky
To play the guitar
To pump blood throughout the body
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chamber of the heart receives oxygenated blood from the lungs?
left atrium
lower ventricle
right atrium
pulmonary artery
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the valve that separates the left atrium from the left ventricle.
Aortic valve
Pulmonary valve
Tricuspid valve
Mitral valve
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the respiratory system in the human body?
To produce hormones
To aid in digestion
To facilitate the exchange of oxygen and carbon dioxide.
To regulate body temperature
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organ in the respiratory system is responsible for the exchange of oxygen and carbon dioxide?
Liver
Heart
Lungs
Kidneys
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when oxygen is taken in and carbon dioxide is released in the lungs?
Respiration
Photosynthesis
Digestion
Fermentation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the tiny air sacs in the lungs where gas exchange occurs?
Trachea
Pleura
Bronchioles
Alveoli
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