Search for tag: "bio 230"

Cardiac Conduction System and Its Relationship With ECG

The heart's conductions system controls the generation and propagation of electric signals or action potentials causing the hearts muscles to contract and the heart to pump blood. Taken…

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Blood Flow in the Human Body


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Animation showing the process of hemostasis that occurs after damage to a blood vessel.

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Endocrine System, Part 1 - Glands & Hormones: Crash Course Anatomy & Physiology

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and…

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Hearing & Balance: Crash Course Anatomy & Physiology #17

Crash Course Anatomy & Physiology continues the journey through sensory systems with a look at how your sense of hearing works. We follow sounds as they work their way into the ear where they are…

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How The Ear Works

You may license this video royalty free by contacting us at Many of us take for granted a very extraordinary ogan... our ears. To understand the ear, we need to…

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Vision: Crash Course Anatomy & Physiology #18

Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it…

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How Vision Works

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Muscle Contraction - Cross Bridge Cycle

(USMLE topics) Molecular basis of the sliding filament theory (skeletal muscle contraction) - the cross bridge cycle. This video is available for instant download licensing here :…

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Bone Remodeling and Modeling

The third film in the bone biology series illustrates the processes of bone remodeling and modeling over time.

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Understanding Echo: Standard Imaging Views

In this screencast we are going to concentrate on the standard imaging views and what each view demonstrates in terms of identifying the main cardiac structures. This is by no means comprehensive of…

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How Do Vocal Cords Work When You Sing?

Want more help hitting high-notes? We offer a free analysis to determine your vocal singing type. Record your voice at…

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Nerve Impulse Molecular Mechanism [3D Animation]

Nerve Impulse Molecular Mechanism Resting potential & Action potential Ali Kadhim Rasheed

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Active and Passive Transport

Biology video about active and passive transport

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Protein Synthesis

Learn about the steps of protein synthesis in this video! I'll break down transcription, translation and the key players in the process of making protein.

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Biology Classification

Classifcation of Biology. Questions: What do the terms genus and species mean?

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Negative Feedback Loop

Negative Feedback Loop

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Student Practice - Cellular Transport

Diffusion, Osmosis, Active Transport. Questions: What are the various ways that cells travel or transport across the cell membrane?

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Very Basic Cell Energy Process

ATP, ADP, process of energy usage in the cell Questions: What is ATP and ADP? What are their functions?

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Cellular Transportation Part 1

Cellular Transportation Part 1

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Body Planes, Cavities, Positioning

Body Planes. Body Cavities. Terms used to describe position of body parts and parts in relation to other parts. Questions: What are the cavities in the body? What are planes describing the body and…

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