This book is dedicated to...
Biology College Majors may they pass their finals. Amen.
Created & published on StoryJumper™ ©2025 StoryJumper, Inc.
All rights reserved. Sources: storyjumper.com/attribution
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The Movement of Substances
2
PASSIVE TRANSPORT
The movement of substances without the use of energy.
3
Diffusion is when particles move on a molecular level from a higher to a lower concentration without the use of energy.
4
For example, When you breath, your lungs passively allows oxygen to move out into your blood. The oxygen is at a high concentration in the lungs where it is later diffused into a lower concentration in the red blood cells.
5
High Concentration of Oxygen
=Passive Movement
=Oxygen
6
The ends of the blue bronchial tubes look like little air sack bubbles.
Capillaries attached to the bubble has oxygen that moves inside and CO2 that moves back up the air sack.
Capillaries allow the oxygen to transport itself to the rest of the body.
7
Osmosis is when a fluid passes through a membrane where not everything can pass into a solution where the solvent concentration is high and the fluid isn't.
8
For Example, Trees use osmosis when using a root to attach itself to a moisture/water source. That highly concentrated moisture/water source in the ground travels up passively through the root into the tree where there is less of a moisture/water concentration.
9
Water is absorbed into the root that passively is moved up into the tree while CO2 is released into the soil.
10
Facilitated Diffusion is when larger molecule particles are helped by carrier proteins to move through a membrane in the normal process of diffusion.
11
An example of facilitated diffusion is when glucose travels through a protein pore channel into the membrane by using a special carrier protein. The large glucose particles are passively moving from a high concentration outside of the cell to a lower concentration inside of the cell. They pass through the membrane using a protein.
12
13
ACTIVE TRANSPORT
The movement of substances using energy.
14
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This book is dedicated to...
Biology College Majors may they pass their finals. Amen.
Created & published on StoryJumper™ ©2025 StoryJumper, Inc.
All rights reserved. Sources: storyjumper.com/attribution
Preview audio:
storyj.mp/abqf25523iwt
The Movement of Substances
2
PASSIVE TRANSPORT
The movement of substances without the use of energy.
3
Diffusion is when particles move on a molecular level from a higher to a lower concentration without the use of energy.
4
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"The movement of Substances"
An informative book explaining the different types of passive and active transport in cells.
(23 pages)
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