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Which Structures Regulate the Flow of Blood Through the Heart

question 16

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Which structures regulate the flow of blood through the heart?


Definitions:

Littoral Zone

The area of a sea, lake, or river that is close to the shore and shallow enough for sunlight to penetrate, allowing plant growth.

Nutrient Trap

A mechanism or feature in an ecosystem that captures and retains nutrients, preventing them from being lost and thereby enhancing nutrient availability.

Aquatic Community

A group of species that live in the same habitat and interact with each other in a body of water.

Estuaries

Coastal water bodies where river meets the sea, mixing fresh and saltwater and creating ecosystems with high biological productivity.

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