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Exam (elaborations)

PNB 2250 Exam 2 Questions and Correct Answers | Latest Update

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  • Course
  • PNB 2250
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  • PNB 2250

Animals must provide ____ (4) for food processing -:- .path for intake chemical & mechanical digestion reabsorption of nutrients loss of waste products Where is the fuel from food acquired? -:- chemical bonds energy was used to make bonds, and will be released when it is broken Homeost...

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  • September 17, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PNB 2250
  • PNB 2250
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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




PNB 2250 Exam 2 Questions and Correct
Answers | Latest Update
Animals must provide ____ (4) for food processing


✓ -:- .path for intake

✓ chemical & mechanical digestion

✓ reabsorption of nutrients

✓ loss of waste products




Where is the fuel from food acquired?


✓ -:- chemical bonds

energy was used to make bonds, and will be released when it is broken




Homeostasis


✓ -:- maintenance of internal environment




Basal Metabolic Rate (BMR)


✓ -:- amount of energy expended when at rest in a neutral environment,

with an inactive digestive system




1|P a g e | G r a d e A + | 2 0 2 0 2 5

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!



What role does homeostasis play in regards to food processing?


✓ -:- requires constant energy input to work

helps expel waste products that are no longer needed or harmful to body




The Goku of energy sources


✓ -:- The Sun




Primary Energy sources


✓ -:- plants and animals




-must be able to detect food (sight/smell)


-bring food into space where bond energy can be recovered


-treat food in a manner in which waste products can also be expelled


✓ -:- Animal Requirements for food

(Three)




1) Feeding - bring food into body


2) Digestion - convert molecules into building blocks

2|P a g e | G r a d e A + | 2 0 2 0 2 5

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