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LIFE FUNCTIONS

LIFE FUNCTIONS. MR STRANGER. Meet Mr. Stranger! You will learn the 10 life functions and their definitions. Life Functions. Life functions are needed to keep a stable or constant environment with in a living thing. . Metabolism. All of the chemical activities happening in your body.

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LIFE FUNCTIONS

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  1. LIFE FUNCTIONS

  2. MR STRANGER • Meet Mr. Stranger! • You will learn the 10 life functions and their definitions.

  3. Life Functions Life functions are needed to keep a stable or constant environment with in a living thing.

  4. Metabolism • All of the chemical activities happening in your body.

  5. Nutrition Obtaining raw materials for….

  6. energy growth

  7. 2 Types Heterotrophic Autotrophic • Ingestion =eat • Digestion =break down • Egestion =GET RID OF Feces(POOP) Photosynthesis SUN  FOOD

  8. DIGESTION

  9. Respiration • Turning food into energy

  10. Respiration: releases the chemical energy stored in nutrients.

  11. Growth • To get larger (using raw materials to make a larger body).

  12. Synthesis • Turning the raw materials from your food into needed materials. • Simple substances are combined To form complex substance

  13. This is Synthesis

  14. Absorption • Incorporating the materials from your food into your body parts (in order to grow or heal).

  15. Transport • Moving and distributing materials throughout the body.

  16. Reproduction • Making more of your own species.

  17. Excretion • Expelling toxic wastes from the body. CO2, URINE, SWEAT Urea Carbon Dioxide

  18. Regulation • Maintaining Homeostasis • An Internal Balance • . 37 Body Temperature Time

  19. Danger Zone Homeostasis TEMPERATURE Danger Zone Time

  20. MR STRANGER rowth ransport ynthesis xcretion utrition etabolism egulation bsorption eproduction espiration

  21. Which Life Function Is It? Excretion Nutrition Transport Regulation Excretion Reproduction Nutrition Synthesis Assimilation

  22. The body temperature of a runner increases. The runner responds by perspiring, which lowers body temperature. This process is an example of…. • maintenance of homeostasis • transport • locomotion • reproduction

  23. If a human system fails to function properly, what is the most likely result? • a stable rate of metabolism • a disturbance in homeostasis • a change in the method of respiration • a change in the DNA

  24. Which life process is classified as autotrophic in some organisms and heterotrophic in other organisms? • hormonal regulation • nutrition • anaerobic respiration • transport

  25. When an individual goes without eating for a day, his or her blood sugar level remains about the same throughout the day. This relatively constant condition is maintained by…… • regulation • egestion • reproduction • growth of cells

  26. Describe the difference: • Sexual and Asexual • Autotrophic and Heterotrophic

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