Lymphatic System Overview

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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?

To replace damaged organs Signup and view all the answers

When do most organ and tissue donations typically occur?

After the donor has died Signup and view all the answers

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

Anyone regardless of age or gender Signup and view all the answers

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

Plasma, proteins, and blood cells Signup and view all the answers

What is the main function of lymph in the body?

Transport digested fat from the intestine Signup and view all the answers

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

Iron Signup and view all the answers

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

Roots 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?

Diffusion processes will not be sufficient to provide raw material in leaves and energy in roots Signup and view all the answers

What do lymphatic capillaries drain into from the intercellular spaces?

Large lymph vessels Signup and view all the answers

Why must living creatures keep repairing and maintaining their structures?

To prevent damage and breakdown due to the effects of the environment Signup and view all the answers

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

To transfer sources of energy from outside the organism Signup and view all the answers

Why do living organisms need nutrition?

To transfer a source of energy from outside their body to the inside Signup and view all the answers

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

The organism will no longer be alive Signup and view all the answers

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

Life processes Signup and view all the answers

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

To prevent damage and break-down Signup and view all the answers

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

Excretion Signup and view all the answers

How do plants primarily get rid of waste material?

Removing in falling leaves Signup and view all the answers

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

Mitochondria Signup and view all the answers

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

Initiating carbohydrate digestion Signup and view all the answers

What are the necessary conditions for autotrophic nutrition?

Carbon dioxide and water Signup and view all the answers

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

By having a large surface area and being thin-walled Signup and view all the answers

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

The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. Signup and view all the answers

How do fishes obtain oxygen for respiration?

Fishes take in water through their mouths and extract dissolved oxygen from it at their gills. Signup and view all the answers

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

To facilitate the exchange of gases (oxygen and carbon dioxide) during respiration. Signup and view all the answers

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

To allow for increased oxygen diffusion into the blood. Signup and view all the answers

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

Terrestrial animals utilize lungs for breathing, whereas aquatic animals extract oxygen through gills from water. Signup and view all the answers

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

"This action ensures a continuous flow of water over the gills to extract dissolved oxygen." Signup and view all the answers