Transportation in Animals and Plants
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Questions and Answers

What is the primary function of platelets in the blood?

  • Provide nutrients
  • Form clots (correct)
  • Remove waste materials
  • Transport oxygen

    • During inhalation, what is primarily transported to the lungs by the blood?

  • Nitrogen
  • Hydrogen
  • Oxygen
  • Carbon dioxide (correct)

    • Which blood vessel carries carbon dioxide-rich blood to the lungs?

  • Jugular vein
  • Coronary artery
  • Pulmonary artery (correct)
  • Aorta

    • What is the average resting pulse rate for a person?

    <p>70 to 80 beats per minute</p> Signup and view all the answers

    What characteristic of veins helps to direct blood flow?

    <p>Valves</p> Signup and view all the answers

    In the human body, which type of blood vessel is responsible for carrying oxygen-rich blood?

    <p>Arteries</p> Signup and view all the answers

    Why might Boojho's bleeding stopped after some time?

    <p>A clot formed</p> Signup and view all the answers

    What is the correct relationship between arteries and veins?

    <p>Veins return carbon dioxide-rich blood to the heart</p> Signup and view all the answers

    What is the primary function of the partition in the heart?

    <p>To separate oxygen-rich blood from carbon dioxide-rich blood</p> Signup and view all the answers

    Which chamber of the heart receives oxygen-rich blood?

    <p>Left atrium</p> Signup and view all the answers

    What does a heartbeat consist of?

    <p>A cycle of contraction and relaxation of the heart muscles</p> Signup and view all the answers

    Which artery carries blood away from the heart to the lungs?

    <p>Pulmonary artery</p> Signup and view all the answers

    Where can you feel your heartbeat in the body?

    <p>On the left side of the chest</p> Signup and view all the answers

    What role do the muscles of the heart chambers play?

    <p>They contract and relax rhythmically to pump blood</p> Signup and view all the answers

    What is the purpose of the arrows shown in the heart diagram?

    <p>To show the direction of blood flow</p> Signup and view all the answers

    Which blood vessels return carbon dioxide-rich blood to the heart?

    <p>Vena cava</p> Signup and view all the answers

    What is the main function of blood in the circulatory system?

    <p>To transport oxygen, nutrients, and waste</p> Signup and view all the answers

    Why does blood appear red in color?

    <p>Due to the red pigment in red blood cells called haemoglobin</p> Signup and view all the answers

    What component of blood fights against germs?

    <p>White blood cells</p> Signup and view all the answers

    What is the primary function of the heart's rhythmic beating?

    <p>To maintain blood circulation</p> Signup and view all the answers

    What is plasma's role in blood?

    <p>To transport various cells and nutrients</p> Signup and view all the answers

    What is the composition of blood primarily focused on?

    <p>A mixture of plasma and various types of cells</p> Signup and view all the answers

    Which animals do not possess a circulatory system?

    <p>Sponges and Hydra</p> Signup and view all the answers

    Who discovered the circulation of blood?

    <p>William Harvey</p> Signup and view all the answers

    How do arteries differ from veins in terms of structure?

    <p>Arteries have thick, elastic walls to withstand high pressure</p> Signup and view all the answers

    What happens when blood flows out of a cut?

    <p>Blood continues to supply oxygen directly to the injury</p> Signup and view all the answers

    What process is referred to as the removal of waste products from the body?

    <p>Excretion</p> Signup and view all the answers

    What role do the kidneys play in excretion?

    <p>They filter the blood and remove wastes.</p> Signup and view all the answers

    What is the significant role of haemoglobin in blood?

    <p>To bind with oxygen and transport it to cells</p> Signup and view all the answers

    What happens to useful substances in the blood when it reaches the kidneys?

    <p>They are absorbed back into the blood.</p> Signup and view all the answers

    What do the kidneys do with the waste dissolved in water?

    <p>Remove it as urine.</p> Signup and view all the answers

    What is the function of the urinary bladder?

    <p>To store urine.</p> Signup and view all the answers

    What is the primary function of the xylem in plants?

    <p>Transporting water and minerals from the soil</p> Signup and view all the answers

    Which tissue in plants is responsible for transporting food?

    <p>Phloem</p> Signup and view all the answers

    How do plants effectively transport water from their roots to leaves?

    <p>By using xylem vessels that form a continuous network</p> Signup and view all the answers

    What happens to the water when it moves up the stem?

    <p>It carries minerals dissolved in it</p> Signup and view all the answers

    What role do leaves play in the plant's transport system?

    <p>They synthesize food that needs transportation</p> Signup and view all the answers

    Which statement accurately describes vascular tissues in plants?

    <p>They consist of both xylem and phloem</p> Signup and view all the answers

    What can be inferred when ladyfinger is placed in colored water?

    <p>Water moves up through the stem, revealing the color</p> Signup and view all the answers

    What group of cells is defined as a tissue in plants?

    <p>A group of cells performing similar functions</p> Signup and view all the answers

    What process allows plants to release water from their leaves?

    <p>Transpiration</p> Signup and view all the answers

    Which plant part primarily transports water and minerals from the roots to the leaves?

    <p>Xylem</p> Signup and view all the answers

    What is one effect of transpiration on plants?

    <p>Cools the plant</p> Signup and view all the answers

    What happens to most of the water absorbed by plants?

    <p>It evaporates through transpiration</p> Signup and view all the answers

    In the activity described, what substance was added to the water in the tumbler?

    <p>Red ink</p> Signup and view all the answers

    How does transpiration create a suction pull in plants?

    <p>Through the evaporation of water</p> Signup and view all the answers

    What is the main role of xylem in plants?

    <p>Transporting water and minerals</p> Signup and view all the answers

    Which structure in plants is responsible for water loss during transpiration?

    <p>Stomata</p> Signup and view all the answers

    Study Notes

    Transportation in Animals and Plants

    • Organisms need food, water, and oxygen for survival
    • Animals and plants need to transport essential substances (food, oxygen) to different parts of the body and remove waste products.
    • Blood acts as a fluid to transport substances like digested food, oxygen, and waste, throughout the body.

    Circulatory System

    • Blood is the fluid that flows in blood vessels and plays a vital role in transporting substances.
    • Blood contains plasma (a fluid) and different types of suspended cells.
    • Red blood cells (RBCs) contain haemoglobin which carries oxygen to all parts of the body.
    • White blood cells (WBCs) fight against germs that enter the body.
    • Platelets are essential for blood clotting.

    Blood Vessels

    • Arteries carry oxygen-rich blood from the heart to all parts of the body. Their walls are thick and elastic, due to high pressure of the blood flow.
    • Veins carry carbon dioxide-rich blood from all parts of the body back to the heart having thin walls with valves to stop backflow.
    • Capillaries connect arteries and veins. Capillaries are extremely thin-walled tubes that allow exchange of materials between blood and tissues.

    Heart

    • Heart is a pump that continuously transports blood to all parts of the body.
    • The heart has four chambers. Two upper chambers are called atria. Two lower chambers are ventricles.
    • The partition between the chambers (atria and ventricles) prevents the mixing of oxygenated and deoxygenated blood.

    Blood Donation

    • Blood donation is vital for saving lives.
    • It involves the safe donation of blood to those in need. -Stored in blood banks.

    Excretion in Animals

    • Excretion is necessary to remove waste products from the body which can be toxic. Waste substances are removed in liquid or gaseous form to maintain the balance of fluids.
    • Different animals have different ways to excrete waste like uric acid in semi-solid form in birds, insects, reptiles and humans urea in liquid.
    • The excretory system in humans consists of kidneys, ureters, urinary bladder and urethra, which filters waste and helps to remove urine.

    Transportation in Plants

    • Plants absorb water and minerals through their roots.
    • Water and minerals are transported via xylem vessels from roots to stems and leaves.
    • Xylem transports water and minerals.
    • The food prepared by the leaves is transported through phloem vessels to different parts of the plant.

    Transpiration

    • Transpiration is the process where plants lose water vapor through their leaves.
    • It helps plants absorb water and minerals by drawing water up through the plant to the stomata for release.
    • Transpiration cools the plant.

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    Science PDF - Transportation in Animals and Plants

    Description

    Explore the essential processes of transportation in animals and plants through this quiz. Learn how blood functions in the circulatory system, including the roles of red and white blood cells, as well as the significance of blood vessels. Test your knowledge of how organisms survive by transporting vital substances and removing waste.

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