Lymphatic System Overview

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Questions and Answers

How do plants store some waste products?

  • In cellular vacuoles (correct)
  • In the roots
  • In the stems
  • In the leaves that fall off

What is a common method used by plants to excrete waste substances into the soil?

  • Through their stems
  • Through their roots (correct)
  • Through their leaves
  • Through their flowers

Which of the following is NOT a common transplantation mentioned in the text?

  • Bone marrow
  • Corneas
  • Liver
  • Skin (correct)

What is the purpose of organ transplantation?

<p>To replace damaged organs (C)</p> Signup and view all the answers

When do most organ and tissue donations typically occur?

<p>After the donor has died (D)</p> Signup and view all the answers

Who can become an organ and tissue donor according to the text?

<p>Anyone regardless of age or gender (C)</p> Signup and view all the answers

What escapes into the intercellular spaces in tissues to form tissue fluid or lymph?

<p>Plasma, proteins, and blood cells (D)</p> Signup and view all the answers

What is the main function of lymph in the body?

<p>Transport digested fat from the intestine (D)</p> Signup and view all the answers

Which of the following is NOT a raw material needed for building plant bodies?

<p>Iron (D)</p> Signup and view all the answers

Where does absorption of substances like nitrogen and phosphorus occur in plants?

<p>Roots (D)</p> Signup and view all the answers

Why is a proper system of transportation essential in plants with large distances between soil-contacting organs and chlorophyll-containing organs?

<p>Diffusion processes will not be sufficient to provide raw material in leaves and energy in roots (A)</p> Signup and view all the answers

What do lymphatic capillaries drain into from the intercellular spaces?

<p>Large lymph vessels (A)</p> Signup and view all the answers

Why must living creatures keep repairing and maintaining their structures?

<p>To prevent damage and breakdown due to the effects of the environment (C)</p> Signup and view all the answers

What is a key reason why energy is needed for maintenance processes in living organisms?

<p>To transfer sources of energy from outside the organism (B)</p> Signup and view all the answers

Why do living organisms need nutrition?

<p>To transfer a source of energy from outside their body to the inside (B)</p> Signup and view all the answers

What happens if the ordered, organised nature of living structures breaks down?

<p>The organism will no longer be alive (D)</p> Signup and view all the answers

Which term best describes the processes needed to maintain living structures?

<p>Life processes (B)</p> Signup and view all the answers

What is a primary function of the maintenance processes in living organisms?

<p>To prevent damage and break-down (C)</p> Signup and view all the answers

What is the primary function of the nephrons in the kidneys of human beings?

<p>Excretion (B)</p> Signup and view all the answers

How do plants primarily get rid of waste material?

<p>Removing in falling leaves (C)</p> Signup and view all the answers

Which organelle is responsible for the breakdown of pyruvate to give carbon dioxide, water, and energy?

<p>Mitochondria (C)</p> Signup and view all the answers

What is the primary role of saliva in the digestion of food?

<p>Initiating carbohydrate digestion (D)</p> Signup and view all the answers

What are the necessary conditions for autotrophic nutrition?

<p>Carbon dioxide and water (C)</p> Signup and view all the answers

How are the alveoli designed to maximize the exchange of gases?

<p>By having a large surface area and being thin-walled (B)</p> Signup and view all the answers

Why is the rate of breathing faster in aquatic organisms compared to terrestrial organisms?

<p>The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. (B)</p> Signup and view all the answers

How do fishes obtain oxygen for respiration?

<p>Fishes take in water through their mouths and extract dissolved oxygen from it at their gills. (D)</p> Signup and view all the answers

What is the function of gill-slits (or operculum) in fishes?

<p>To facilitate the exchange of gases (oxygen and carbon dioxide) during respiration. (D)</p> Signup and view all the answers

Why do terrestrial animals have organs with a large surface area for gas exchange?

<p>To allow for increased oxygen diffusion into the blood. (B)</p> Signup and view all the answers

How does the uptake of oxygen differ between aquatic and terrestrial animals?

<p>Terrestrial animals utilize lungs for breathing, whereas aquatic animals extract oxygen through gills from water. (D)</p> Signup and view all the answers

What is the main reason behind fish needing to open and close their mouths and gill-slits frequently?

<p>&quot;This action ensures a continuous flow of water over the gills to extract dissolved oxygen.&quot; (C)</p> Signup and view all the answers

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