The Anterior Part of Each Atrium Is a Flaplike Extension

question 30

Short Answer

The anterior part of each atrium is a flaplike extension called a(n)_______________.

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Definitions:

Cohesion

Property of a substance (such as water) that arises from the tendency of its molecules to resist separating from one another.

Osmosis

Diffusion of water across a selectively permeable membrane; occurs in response to a difference in solute concentration between the fluids on either side of the membrane.

Sieve Elements

Living cells that compose sugar-conducting sieve tubes of phloem. Each sieve tube consists of a stack of sieve elements that meet end to end at sieve plates.

Osmosis

The movement of water molecules through a semipermeable membrane from a region of lower solute concentration to higher concentration.