The Components and Functions of Blood
Interactive Video
•
Science, Biology, Health Sciences
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video explains that the human body contains about five liters of blood, which appears red but is composed of various elements. Under a microscope, blood reveals plasma, red blood cells, white blood cells, and platelets. Plasma, mostly water, carries essential substances like vitamins and minerals. Red blood cells transport oxygen, while white blood cells fight infections. Platelets, cell fragments, play a crucial role in clotting to stop bleeding by forming a net over injuries.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
How do white blood cells contribute to the immune system?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What role do platelets play in the blood?
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