
Exploring the Circulatory System: Functions and Circuits
Interactive Video
•
Biology
•
6th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the circulatory system?
To control body temperature
To produce red blood cells
To transport oxygen and nutrients to cells
To digest food
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What protein in red blood cells is responsible for transporting oxygen?
Keratin
Collagen
Hemoglobin
Myoglobin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which circuit carries deoxygenated blood from the heart to the lungs?
Systemic circuit
Pulmonary circuit
Lymphatic circuit
Coronary circuit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main artery that pumps blood away from the heart?
Vena cava
Pulmonary artery
Aorta
Carotid artery
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do arteries have thick muscular walls?
To store blood
To withstand the pressure of fast-flowing blood
To produce red blood cells
To regulate body temperature
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to blood at the capillaries?
It speeds up
It becomes oxygenated
Gas exchange occurs
It is stored
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of arterioles in the circulatory system?
To connect arteries to veins
To produce hemoglobin
To branch into capillaries
To store oxygen
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