Blood Composition and Functions
Biology ⇒ Human Biology
Blood Composition and Functions starts at 7 and continues till grade 12.
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See sample questions for grade 7
Describe how blood helps remove waste products from the body.
Describe one way in which blood helps maintain body temperature.
Describe the role of antibodies in the blood.
Describe what happens if a person does not have enough platelets.
Explain the difference between plasma and serum.
Explain why blood is considered a connective tissue.
A person has a low number of red blood cells. What condition might they have? (1) Anemia (2) Leukemia (3) Hemophilia (4) Diabetes
A person is bleeding from a small cut. Which blood component acts first to stop the bleeding? (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma
A person has a low number of red blood cells. What condition might they have? (1) Anemia (2) Leukemia (3) Hemophilia (4) Diabetes
A person is bleeding from a small cut. Which blood component acts first to stop the bleeding? (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma
Plasma makes up about what percentage of blood? (1) 10% (2) 25% (3) 55% (4) 90%
What are the main components of human blood? (1) Plasma, red blood cells, white blood cells, platelets (2) Plasma, water, oxygen, carbon dioxide (3) Red blood cells, plasma, lymph, bile (4) Platelets, plasma, urine, sweat
Fill in the blank: Blood helps to remove __________ from the body, which is a waste product of respiration.
Fill in the blank: The main function of hemoglobin is to carry __________.
Fill in the blank: The process by which white blood cells destroy bacteria is called __________.
Fill in the blank: The process of blood clotting is also known as __________.
True or False: All blood cells are produced in the bone marrow.
True or False: Blood helps protect the body from disease.
True or False: Blood helps to regulate the pH of the body.
True or False: Blood transports both nutrients and waste products.
