Life Processes: Nutrition, Respiration, Transportation and More

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Questions and Answers

What is the process of breaking down food into smaller molecules?

  • Ingestion
  • Digestion (correct)
  • Assimilation
  • Absorption

What is the primary function of the circulatory system?

  • To remove waste products
  • To regulate body temperature
  • To produce hormones
  • To transport oxygen and nutrients (correct)

What is the process of eliminating waste products?

  • Assimilation
  • Egestion (correct)
  • Ingestion
  • Excretion

What is the process of converting glucose into energy?

<p>Cellular Respiration (A)</p> Signup and view all the answers

What is the function of the liver in excretion?

<p>To detoxify and break down substances (C)</p> Signup and view all the answers

What is the process of cells becoming specialized for specific functions?

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

What is a characteristic of a federal system of government?

<p>Division of power between central government and constituent units (B)</p> Signup and view all the answers

Which of the following is an advantage of federalism?

<p>It promotes national unity while recognizing regional diversity (D)</p> Signup and view all the answers

What is a system of government where power is held by independent states or regions that have come together for common purposes?

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

What is a disadvantage of confederalism?

<p>It can be inefficient and slow in decision-making (D)</p> Signup and view all the answers

Which of the following is an example of a federal system of government?

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

What is a characteristic of confederalism?

<p>Each member state retains its sovereignty (A)</p> Signup and view all the answers

What is an advantage of confederalism?

<p>It allows for cooperation on specific issues while maintaining independence (B)</p> Signup and view all the answers

What is a disadvantage of federalism?

<p>It can lead to conflicts between central and local governments (D)</p> Signup and view all the answers

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Study Notes

Life Processes

Nutrition

  • Ingestion: Taking in food and nutrients
  • Digestion: Breaking down food into smaller molecules
  • Absorption: Taking in nutrients through the bloodstream
  • Assimilation: Using nutrients for energy, growth, and repair
  • Egestion: Eliminating waste products

Respiration

  • Breathing: Taking in oxygen and expelling carbon dioxide
  • Cellular Respiration: Converting glucose into energy (ATP) through cellular processes
    • Aerobic Respiration: Occurs in presence of oxygen, produces ATP and water
    • Anaerobic Respiration: Occurs in absence of oxygen, produces ATP and lactic acid

Transportation

  • Circulatory System: Transports oxygen, nutrients, and waste products throughout the body
    • Heart: Pumps blood throughout the body
    • Blood Vessels: Arteries, veins, and capillaries transport blood
    • Blood: Carries oxygen, nutrients, and waste products

Regulation and Control

  • Nervous System: Coordinates and regulates body functions
    • Central Nervous System: Brain and spinal cord
    • Peripheral Nervous System: Nerves and sensory receptors
  • Endocrine System: Produces and regulates hormones
    • Hormones: Chemical messengers that regulate body functions

Excretion

  • Kidneys: Filter waste and excess substances from the blood
  • Liver: Detoxifies and breaks down substances
  • Skin: Removes waste through sweating
  • Lungs: Exhale carbon dioxide and other gases

Growth and Development

  • Cell Division: Cells divide to produce new cells
  • Cell Differentiation: Cells become specialized for specific functions
  • Tissue Growth: Tissues grow and develop through cell division and differentiation
  • Organ Growth: Organs develop and grow through tissue growth and differentiation

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