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Transport in Animals

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Heart structure and function

Subtopic

Heart structure and function under Transport in Animals for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which vessel has the highest oxygen concentration?

    A.

    Pulmonary artery

    B.

    Vena cava

    C.

    Pulmonary vein

    D.

    Hepatic portal vein

  2. 2.

    Cardiac output is a measure of what?

    A.

    The volume of blood pumped by the heart per minute

    B.

    The pressure of blood in the arteries

    C.

    The speed of electrical impulses in the heart

    D.

    The thickness of the ventricle walls

  3. 3.

    Which of these occurs first in a heartbeat cycle?

    A.

    Ventricular contraction

    B.

    Atrial contraction

    C.

    Closure of semilunar valves

    D.

    Blood entering the aorta

Download the worksheet for Transport in Animals - Heart structure and function to practice offline. It includes additional chapter-level practice questions.

Blood and lymphatic vessels

Subtopic

Blood and lymphatic vessels under Transport in Animals for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these statements about the pulmonary circulation is true?

    A.

    It carries blood at a higher pressure than the systemic circulation

    B.

    It involves the transport of blood between the heart and the lungs

    C.

    The pulmonary artery carries oxygenated blood

    D.

    The pulmonary vein carries deoxygenated blood

  2. 2.

    What is the primary role of the muscle layer in the wall of an arteriole?

    A.

    To pump blood back to the heart

    B.

    To contract and relax to regulate blood flow to tissues

    C.

    To produce new red blood cells

    D.

    To prevent the backflow of blood

  3. 3.

    Why do capillaries form extensive networks (beds) in tissues?

    A.

    To increase blood pressure for faster flow

    B.

    To provide a large surface area for exchange

    C.

    To prevent blood from clotting too quickly

    D.

    To store excess oxygen for later use

Download the worksheet for Transport in Animals - Blood and lymphatic vessels to practice offline. It includes additional chapter-level practice questions.

Composition of blood

Subtopic

Composition of blood under Transport in Animals for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following best describes the function of hemoglobin?

    A.

    Transporting glucose

    B.

    Binding reversibly with oxygen

    C.

    Engulfing viruses

    D.

    Producing fibrin

  2. 2.

    Vitamins and minerals are transported to cells via which blood component?

    A.

    Red blood cells

    B.

    Plasma

    C.

    White blood cells

    D.

    Platelets

  3. 3.

    Which of these correctly describes platelets?

    A.

    Large cells with multiple nuclei

    B.

    Small cell fragments without nuclei

    C.

    Cells that carry oxygen

    D.

    Cells that produce antibodies

Download the worksheet for Transport in Animals - Composition of blood to practice offline. It includes additional chapter-level practice questions.