Understanding Blood and Red Blood Cells
Interactive Video
•
Biology
•
6th - 8th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main components of blood?
Red blood cells, white blood cells, platelets, and carbon dioxide
Red blood cells, white blood cells, plasma, and oxygen
Red blood cells, white blood cells, platelets, and water
Red blood cells, white blood cells, platelets, and plasma
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are red blood cells produced?
In the liver
In the heart
In the lungs
In the bone marrow
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long do red blood cells typically live in the bloodstream?
90 days
60 days
150 days
120 days
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of hemoglobin in red blood cells?
To produce energy
To fight infections
To carry oxygen
To transport nutrients
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do red blood cells have a biconcave shape?
To enable them to store more nutrients
To provide a large surface area for oxygen absorption
To allow them to divide easily
To increase their flexibility
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