Grade 10 Biology: The Circulatory System - Blood
A comprehensive worksheet for Grade 10 Biology students covering the composition, functions, and disorders of blood within the human circulatory system.
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Grade 10 Biology: The Circulatory System - Blood
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which component of blood is primarily responsible for oxygen transport?
Plasma
White blood cells
Red blood cells
Platelets
2. Which blood type is considered the 'universal donor'?
A
B
AB
O
1. The liquid matrix of blood, called , makes up about 55% of its volume.
2. are responsible for fighting infections and are part of the immune system.
3. The process of blood clotting is initiated by cell fragments called .
1. Hemoglobin is a protein found in white blood cells that binds to oxygen.
True
False
2. Arteries carry deoxygenated blood away from the heart.
True
False
1. Briefly describe the main functions of blood in the human body.
2. Explain the difference between an antigen and an antibody, and how they relate to blood transfusions.
Observe the diagram of the human heart below and answer the following questions:

3. Identify two chambers of the heart shown in the diagram.
4. What is the primary function of the structure labeled with an arrow pointing to the aorta?
Use the words from the word bank to complete the sentences below.
1. Red blood cells are also known as .
2. The protein in red blood cells that carries oxygen is called .
3. White blood cells, also known as , play a crucial role in immunity.