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Questions and Answers
What is physiology the study of?
What is physiology the study of?
- Environmental adaptation
- Cell structure
- Genetic inheritance
- Biological function (correct)
What is the emphasis of physiology?
What is the emphasis of physiology?
- Anatomy
- Mechanisms (correct)
- Chemical composition
- Evolutionary history
Where does exchange of substances occur in multicellular organisms?
Where does exchange of substances occur in multicellular organisms?
- Intracellularly within organelles
- Within the cytoplasm
- In the extracellular fluid
- Across the cells’ plasma membranes (correct)
How do single-celled protists exchange materials with their surroundings?
How do single-celled protists exchange materials with their surroundings?
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What facilitates the diffusion of materials in sac-bodied organisms like jellyfish?
What facilitates the diffusion of materials in sac-bodied organisms like jellyfish?
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Study Notes
Physiology
- Physiology is the study of the functions and processes that occur within living organisms.
Exchange of Substances
- In multicellular organisms, the exchange of substances occurs through specific cells, tissues, or organs that are adapted for this purpose.
Single-Celled Protists
- Single-celled protists exchange materials with their surroundings directly across their cell membrane.
Sac-Bodied Organisms
- In sac-bodied organisms like jellyfish, the diffusion of materials is facilitated by the large surface area of their gastrovascular cavity.
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