Interactive Biology, by Leslie Samuel

Human Anatomy

107 A Review Of The Anterior Forearm

Added by Leslie Samuel 1 month ago

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In this episode, we review the muscles, innervation and functions of the muscles of the anterior forearm which I previously covered in the last two Anatomy videos. Use this to aid you in studying for these muscles. Bu...

106 The Deep Muscles Of The Anterior Compartment Of The Forearm

Added by Leslie Samuel 2 months ago

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After learning about the superficial muscles, this video will discuss more about the deep muscles of the anterior compartment of the arm. Enjoy! Transcript of Today's Episode Hello and welcome to another episode ...

105 The Superficial Muscles Of The Anterior Compartment Of The Forearm

Added by Leslie Samuel 2 months ago

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In this video, Leslie talks more about the different superficial muscles of the Anterior Compartment of the forearm. You'll also learn more about their origins, insertions, actions, and innervations at the end of the ...

104 The Contents Of The Cubital Fossa

Added by Leslie Samuel 2 months ago

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In this video episode, Leslie talks more about the three contents of the cubital fossa. Also, learn about which part of the forearm nurses use to take someone's blood pressure by watching this video. Enjoy! Transc...

103 The Boundaries of The Cubital Fossa

Added by Leslie Samuel 2 months ago

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In this video, Leslie talks about the different boundaries of the Cubital Fossa. What are they? Watch to learn more. Enjoy! Transcript of Today's Episode [caption id="attachment_4748" align="alignright" width="22...

102 The Posterior Compartment Of The Arm

Added by Leslie Samuel 2 months ago

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In this video, Leslie talks about the only muscle found in the posterior compartment of the arm, the triceps brachii. He also memtions its parts, innervation, and function. Enjoy! Transcript of Today's Episode He...

Human Physiology

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062 Pressure Changes during Breathing

Added by Leslie Samuel 1 year ago

5.79K Views78 Comments9 Likes

Breathing is one of the most common things we do everyday to a point that it becomes unnoticed. Wouldn't it be great to learn what happens behind this process? What exactly happens when we breathe air in and out of ou...

061 The Bohr Effect

Added by Leslie Samuel 1 year ago

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What happens when the pH decreases during cellular respiration? What effect does this have on the hemoglobin's affinity? What is the Bohr effect? You can find the answers on this video as Leslie explains more about w...

060 Hemoglobin and the Oxygen-Dissociation Curve

Added by Leslie Samuel 1 year ago

4.31K Views116 Comments6 Likes

Ever wonder how the oxygen binds to our blood cells and sent to the different parts of our body? Watch and learn with Leslie as he explains how this happens and uses the Oxygen-Dissociation Curve to describe this even...

059 An Introduction to the Respiratory System

Added by Leslie Samuel 1 year ago

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We are off to start learning from a new set of videos about another part of the human body system and here, Leslie opens a new topic with a brief introduction of the Respiratory System. Watch and enjoy! Transcript...

058 Net Hydrostatic Pressure and Filtration Pressure

Added by Leslie Samuel 1 year ago

2.93K Views72 Comments4 Likes

How do the differences in hydrostatic and osmotic pressures affect the flow of blood within the circulatory system and to the different parts of the body? What is filtration pressure and how are these affected during ...

057 Pressure Reflexes and Mean Arterial Pressure

Added by Leslie Samuel 1 year ago

2.26K Views24 Comments4 Likes

Here is an interesting concept about pressure reflexes that you might want to watch. It is related to the mean arterial pressure of a man. Learn more by watching another one of Leslie's easy videos to help you underst...

Kinesiology

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Concentric Finger Flexion Against Resistance

Added by Leslie Samuel 1 month ago

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In this video, the motion of finger flexion is occurring at the metacarpophalangeal (MCP) and interphalangeal (IP) joints while squeezing the ball. This motion is controlled by concentric muscle contraction against t...

Eccentric Finger Extension With Resistance

Added by Leslie Samuel 1 month ago

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In this video, the motion of finger extension is occurring at the metacarpophalangeal (MCP) and interphalangeal (IP) joints. This motion is controlled by eccentric muscle contraction against the resistance from an el...

Finger Flexion

Added by Leslie Samuel 1 month ago

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In this video, the motion of finger flexion is occurring at the metacarpophalangeal (MCP) and interphalangeal (IP) joints. This motion is controlled by concentric muscle contraction. Concentric metacarpophalangeal (...

Finger Intrinsic Plus

Added by Leslie Samuel 1 month ago

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In this video, the motion of the fingers beings at the extrinsic plus position with metacarpophalangeal (MCP) joint extension and interphalangeal (IP) joint flexion. The motion ends in the intrinsic plus position wit...

Finger Adduction

Added by Leslie Samuel 1 month ago

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In this video, the motion of bringing the fingers together is adduction. Adduction is occurring at the metacarpophalangeal joints. Metacarpophalangeal adduction is demonstrated from a position of the fingers being spr...

Finger Abduction

Added by Leslie Samuel 1 month ago

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In this video, the motion of spreading apart the fingers is abduction. Abduction is occurring at the metacarpophalangeal joints. Metacarpophalangeal abduction is demonstrated from a position of the fingers being close...

High School Biology Lectures

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Video: The Plasma Membrane – A View of the Cell

Added by Leslie Samuel 2 years ago

1.74K Views36 Comments2 Likes

What would the cell be without the plasma membrane? I mean really - A bunch of organelles floating around everywhere, anything being able to get in or out - that's just not a pretty picture. In this section, I tal...

Video: The Discovery of Cells – A View of the Cell

Added by Leslie Samuel 2 years ago

649 Views16 Comments1 Likes

How in the world did we get to where we are today, in terms of our knowledge of cells? Well go ahead and watch this video, and you'll see. In it, I talk about the History of the cell theory, starting all the way from ...

Written Articles

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The Immune System — Our Body Defenses

Added by Paul S. 6 months ago

4.18K Views1 Comments0 Likes

Humans come into contact with external agents on a daily basis, agents that could be harmful if allowed the opportunity to enter the body. The most severe are dangerous disease-causing microorganisms, pathogens, or ab...

A Brief Introduction to the Upper Limb

Added by SonyaM 6 months ago

1.19K Views0 Comments2 Likes

The upper limb is the region of the skeleton that is known for its mobility and dexterity. It is the area of the skeleton that is able to grasp, strike and conduct fine motor skills. It is supported and stabilized by ...

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