Flashcards in this deck (20)

• What is the study of physiology concerned with?

  Understanding the function of living organisms and their parts.
  physiology science
• What does human physiology focus on?

  Characteristics of the human body that enable survival and thriving.
  human_physiology function
• What are the components of human physiology?

  Molecules, subcellular components, tissues, organs, organ systems.
  components physiology
• What is a distinguishing feature of physiology?

  It integrates the functions of all body parts to understand the whole body.
  physiology integration
• How many cells are in the human body?

  About 100 trillion cells.
  cells human_body
• What do all cells in the body have in common?

  Basic characteristics including energy release, ability to reproduce, and being bathed in extracellular fluid.
  cells characteristics
• What is homeostasis?

  Maintenance of a relatively stable internal environment.
  homeostasis physiology
• What are the two stages of extracellular fluid transport?

  Movement of blood through the circulatory system and fluid movement between blood capillaries and cells.
  transport extracellular_fluid
• What role does the respiratory system play in extracellular fluid?

  Provides oxygen and removes carbon dioxide.
  respiratory_system oxygen
• What does the gastrointestinal system do?

  Digests food and facilitates absorption of nutrients into extracellular fluid.
  gastrointestinal digestion
• What is the role of the liver in nutrient processing?

  Changes chemical composition of absorbed substances to usable forms.
  liver nutrition
• What does the musculoskeletal system consist of?

  • Skeletal muscles
  • Bones
  • Tendons
  • Joints
  • Cartilage
  • Ligaments
  anatomy musculoskeletal
• What is the function of the musculoskeletal system?

  • Enables body movement
  • Protects internal organs
  • Supports the body
  anatomy functions
• What does the respiratory system provide and remove?

  Provides oxygen Removes carbon dioxide
  respiratory functions
• What role do the kidneys play in the body?

  • Excrete waste products
  • Regulate extracellular fluid composition
  • Control blood volume and blood pressure
  kidneys functions
• What does the liver eliminate?

  • Certain waste products
  • Toxic substances ingested
  liver functions
• How does the nervous system regulate body functions?

  • Directs muscular system activity
  • Controls internal organs
  • Senses environment
  nervous functions
• What do hormones regulate in the body?

  • Cell growth
  • Metabolism rate
  • Reproductive activities
  hormones functions
• What does the immune system protect against?

  Foreign invaders such as bacteria and viruses
  immune protection
• What is the function of the integumentary system?

  • Protects against injury
  • Defends against foreign invaders
  • Regulates body temperature
  integumentary functions