Science Trivia: How Well Do You Know About Human Respiration? Quiz

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Quizzes Created: 1 | Total Attempts: 16,029
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  • 1/12 Questions

    Gases like oxygen and carbon dioxide passes through the wall of the alveolus through the process of...

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About This Quiz

How Well Do You Know About Human Respiration? Respiration is the act in which the body takes in oxygen from the outside environment into the tissues in the body and then removes carbon dioxide from the tissues into the external environment. Do you know how the whole process works out? Take the test and understand the process better.

Science Trivia: How Well Do You Know About Human Respiration? Quiz - Quiz

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  • 2. 

    The red blood cells are rich with substances called...

    Explanation
    Red blood cells are rich in a substance called haemoglobin, which is responsible for carrying oxygen from the lungs to the body's tissues and organs. Haemoglobin is a protein found in red blood cells that binds to oxygen molecules in the lungs and releases them in areas of the body where oxygen is needed. This process is crucial for the delivery of oxygen and the removal of carbon dioxide, ensuring the proper functioning of cells and organs. Therefore, the correct answer is haemoglobin, which is the main component of red blood cells.

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  • 3. 

    Name the cell which helps in blood clotting.

    Explanation
    Platelets are the cell fragments in the blood that play a crucial role in blood clotting. When there is an injury or damage to a blood vessel, platelets gather at the site and form a plug to stop bleeding. They release chemicals that attract more platelets and help in the formation of a clot. The clotting process involves a series of complex reactions, and platelets are an essential component in this process. Therefore, platelets are responsible for blood clotting.

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  • 4. 

    Akmal is a student with blood type B. If he needs a blood transfusion, whose blood can he receive from? I Shirley-blood O II Faizal-blood AB III Elaine-blood B IV Kavita-blood A

    • Faizal and Shirley

    • Shirley and Elaine

    • Faizal and Kavita

    • Kavita and Elaine

    Correct Answer
    A. Shirley and Elaine
    Explanation
    Akmal, being a student with blood type B, can receive blood from individuals with blood type B or blood type O. Therefore, he can receive blood from Shirley (blood type O) and Elaine (blood type B).

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  • 5. 

    What is the role of the xylem in the transport system of plants?

    • Carries glucose from the leaves to all parts of the plant

    • Carries water and dissolved minerals from the roots,up the stem and to the leaves

    Correct Answer
    A. Carries water and dissolved minerals from the roots,up the stem and to the leaves
    Explanation
    The xylem is responsible for transporting water and dissolved minerals from the roots of the plant, up the stem, and to the leaves. This process is known as upward or transpirational pull. The xylem tissue consists of long, hollow cells called tracheids and vessel elements that are interconnected to form a continuous pathway. As water evaporates from the leaves through small openings called stomata, it creates a negative pressure that pulls water up from the roots through the xylem. This continuous flow of water and minerals ensures that the entire plant is supplied with the necessary nutrients for growth and metabolism.

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  • 6. 

    During inhalation, which is true?

    • The rib cage moves up and out

    • The diaphragm curves and moves upwards

    • The thoracic cavity becomes smaller

    • Air pressure in the lungs increase

    Correct Answer
    A. The rib cage moves up and out
    Explanation
    During inhalation, the rib cage moves up and out. This is because the contraction of the diaphragm and the external intercostal muscles causes the rib cage to expand, creating more space in the thoracic cavity. As a result, the lungs are able to expand and fill with air. This movement of the rib cage is essential for the process of inhalation and allows for the intake of oxygen into the lungs.

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  • 7. 

    Humans have a double circulatory system which are...Separate your answers by writing 'and'.

    Correct Answer
    pulmonary circulation and systemic circulation, systemic circulation and pulmonary circulation, Pulmonary circulation and systemic circulation, Systemic circulation and pulmonary circulation
    Explanation
    The correct answer is pulmonary circulation and systemic circulation. This is because the human circulatory system consists of two main circuits: the pulmonary circuit and the systemic circuit. In the pulmonary circuit, deoxygenated blood is pumped from the heart to the lungs to pick up oxygen and release carbon dioxide. In the systemic circuit, oxygenated blood is pumped from the heart to the rest of the body to deliver oxygen and nutrients, and to remove waste products. Therefore, both pulmonary and systemic circulations are necessary for the proper functioning of the human circulatory system.

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  • 8. 

    Our heart is made up of...

    Correct Answer
    cardiac muscles, Cardiac muscles, lining of simple squamous epithelium
    Explanation
    The correct answer is cardiac muscles. The heart is primarily composed of cardiac muscle tissue, which is specialized for its contractile function. The contraction of cardiac muscles allows the heart to pump blood throughout the body. Additionally, the heart is lined by a layer of simple squamous epithelium, which forms the inner lining of the heart chambers and blood vessels. This lining, known as the endocardium, provides a smooth surface for blood flow and helps prevent clotting.

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  • 9. 

    Which can be found in or together with the human blood? I red blood cells II white blood cells III plasma IV platelets

    • II, III and IV only

    • I, II and III only

    • I, II, III and IV

    • I, II and IV only

    Correct Answer
    A. I, II, III and IV
    Explanation
    All of the options mentioned in the answer can be found in or together with human blood. Red blood cells (option I) are the most abundant cells in the blood, white blood cells (option II) are responsible for immune responses, plasma (option III) is the liquid component of blood that carries nutrients and hormones, and platelets (option IV) are involved in blood clotting. Therefore, options I, II, III, and IV are all correct.

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  • 10. 

    Diffusion of oxygen takes place from an area of...........of gas to an area of............of gas. Separate your answers by putting in a comma.

    Correct Answer
    higher concentration, lower concentration, higher concentration, lower concentration, higher concentration , lower concentration, higher concentration , lower concentration
    Explanation
    Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. In the case of oxygen, it will move from an area where there is a higher concentration of oxygen molecules to an area where there is a lower concentration of oxygen molecules. Therefore, the correct answer is "higher concentration, lower concentration".

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  • 11. 

    The process of diffusion occurs easily because the alveolus has... I one cell thick walls II a thin layer of moisture III large surface area IV covered in blood capillaries

    • I, II, and III only

    • I, II and IV only

    • II, III, and IV only

    • I, II, III and IV

    Correct Answer
    A. I, II, III and IV
    Explanation
    The process of diffusion occurs easily because the alveolus has one cell thick walls, a thin layer of moisture, a large surface area, and is covered in blood capillaries. These factors contribute to the efficient exchange of gases between the alveoli and the bloodstream. The thin walls allow for a shorter distance for gases to diffuse across. The moisture helps to dissolve the gases, making them more readily available for diffusion. The large surface area provides a greater area for diffusion to occur. The presence of blood capillaries ensures a constant supply of blood for gas exchange.

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  • 12. 

    Which is true?

    • The aorta carries blood from the body

    • Only the pulmonary artery carries deoxygenated blood

    • Valves are to ensure that blood flows backwards

    • The septum divides the left ventricle and the right ventricle

    Correct Answer
    A. The septum divides the left ventricle and the right ventricle
    Explanation
    The septum is a thick muscular wall that separates the left ventricle and the right ventricle of the heart. This division is important because it prevents the mixing of oxygenated and deoxygenated blood. The left ventricle pumps oxygenated blood to the rest of the body, while the right ventricle pumps deoxygenated blood to the lungs for oxygenation.

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  • Current Version
  • Mar 14, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 29, 2009
    Quiz Created by
    Himiko
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