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Life Processes: Understanding Key Biological Functions

Anatomy and Physiology10 CardsCreated 5 months ago

This deck covers essential life processes such as nutrition, respiration, transportation, and excretion in living organisms. It explores the mechanisms and structures involved in maintaining life, including autotrophic and heterotrophic nutrition, aerobic and anaerobic respiration, and the transport systems in humans and plants.

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What is the primary function of life processes?

Life processes maintain the structure and function of living organisms, ensuring survival by preventing damage and breakdown.
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Key Terms

Term
Definition
What is the primary function of life processes?
Life processes maintain the structure and function of living organisms, ensuring survival by preventing damage and breakdown.
What is autotrophic nutrition?
Autotrophic nutrition involves organisms like plants synthesizing their own food from inorganic substances using sunlight, carbon dioxide, and water.
How do heterotrophs obtain their nutrition?
Heterotrophs obtain nutrition by consuming complex organic substances, which are broken down into simpler forms using enzymes.
What role does chlorophyll play in photosynthesis?
Chlorophyll absorbs light energy, which is then converted into chemical energy during photosynthesis, facilitating the conversion of carbon dioxide an...
What is the significance of stomata in plants?
Stomata are pores on leaves that facilitate gas exchange, allowing carbon dioxide in for photosynthesis and releasing oxygen.
Describe the process of aerobic respiration.
Aerobic respiration involves the breakdown of glucose in the presence of oxygen to produce carbon dioxide, water, and energy in the form of ATP.
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Life Processes: Understanding Key Biological Functions
TermDefinition
What is the primary function of life processes?
Life processes maintain the structure and function of living organisms, ensuring survival by preventing damage and breakdown.
What is autotrophic nutrition?
Autotrophic nutrition involves organisms like plants synthesizing their own food from inorganic substances using sunlight, carbon dioxide, and water.
How do heterotrophs obtain their nutrition?
Heterotrophs obtain nutrition by consuming complex organic substances, which are broken down into simpler forms using enzymes.
What role does chlorophyll play in photosynthesis?
Chlorophyll absorbs light energy, which is then converted into chemical energy during photosynthesis, facilitating the conversion of carbon dioxide and water into carbohydrates.
What is the significance of stomata in plants?
Stomata are pores on leaves that facilitate gas exchange, allowing carbon dioxide in for photosynthesis and releasing oxygen.
Describe the process of aerobic respiration.
Aerobic respiration involves the breakdown of glucose in the presence of oxygen to produce carbon dioxide, water, and energy in the form of ATP.
How is oxygen transported in human beings?
Oxygen is transported by hemoglobin in red blood cells, which carries it from the lungs to tissues throughout the body.
What is the function of the nephron in the kidney?
Nephrons filter blood to remove waste products and excess substances, forming urine while reabsorbing essential nutrients and water.
How do plants excrete waste products?
Plants excrete waste through processes like transpiration, storing waste in vacuoles, or shedding leaves containing waste products.
What is double circulation in humans?
Double circulation refers to the separate pathways for oxygenated and deoxygenated blood, ensuring efficient oxygen supply to the body.