Slava Bobrov

Watch how immune cell chases bacteria and eliminates them:

Macrophages are specialized cells involved in the detection, phagocytosis and destruction of bacteria and other harmful organisms. They are a type of white blood cell of the immune system that engulfs and digests anything that does not have, on its surface, proteins that are specific to healthy body cells, including cancer cells, microbes, cellular debris, foreign substances, etc

About me: I share intuitive animations about biology & brain

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Credit: Helix Animation
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How to pump blood to the brain. Life-saving technique:

The main goal of chest compressions is to help restore blood flow to the brain and other vital organs, including the lungs and the heart itself, until the heart can be electrically shocked. When CPR is performed quickly, it can double or triple a person's chance of survival. 
About me: I share intuitive animations about biology & brain

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How your eye connects to the brain:

Each eye has corresponding optic nerves, little cables of nerve fibers made up of a collection of neuronal axons, which are the points of connection between the retina and the brain.

The retina uses those optic nerves to send signals to the brain. Almost 50% of our brain is involved in visual processing.

There are also six muscles that attach to the eye to move it. These muscles originate in the eye socket (orbit) and work to move the eye up, down, side to side, and rotate the eye.


Credit: AnatomyApp
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How medicine travels through your body:


In your stomach, the medicine mixes with stomach acid and enzymes.

It dissolves into the liquids in your digestive system.

It then enters your bloodstream through the walls of the small intestine.

Once in your bloodstream, it gets carried to different parts of your body through your circulatory system.

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Source: Musawir Ali
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Brain and its functions in one image:


The brain is divided into four main lobes: the frontal lobe, parietal lobe, temporal lobe, and occipital lobe.

The frontal lobe is responsible for movement, problem solving, judgment, and planning. It also plays a role in personality and emotional expression. The parietal lobe is responsible for sensation, such as touch, temperature, and pain. It also plays a role in spatial awareness and navigation.

The temporal lobe is responsible for auditory processing, memory, and language. The occipital lobe is responsible for vision.

It's important to note that these functions are not isolated to one specific lobe, most of them are processed in several regions of the brain working together.


Credit: thehighestofthemountains
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How do you hear sounds? From your ears to brain cells:


1. Sound waves enter the outer ear and travel through the ear canal, which leads to the eardrum.
2. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear.
3. The bones in the middle ear amplify the sound vibrations and send them to the cochlea, a snail-shaped structure filled with fluid.
4. Once the vibrations cause the fluid inside the cochlea to ripple, they make hair cells move up and down. When that happens, chemicals rush into the cells, creating an electrical signal.
5. The auditory nerve carries this electrical signal to the brain, which turns it into a sound that we recognize.

About me: I share intuitive animations about cells, biology & brain

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Credit: National Institutes of Health
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Brain and its internal wiring:


The brain’s wiring consists of dendrites and axons, extensions of neurons that make connections with other neurons. Using these connections, various parts of the brain communicate with each other

About me: I share intuitive animations about biology & brain

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Credit: Greg Dunn
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Neurons in two different micro-compartments are trying to connect with each other:


Neurons seeded in two different micro-compartments extend their neurites through micro-tunnels to establish connections with each other

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Credit: Dr. Renaud Renault
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Microscopic life inside a small forest pond:


Any drop of water from a lake, a river, or the ocean, is a world in miniature. The drop can contain thousands of tiny organisms, such as algae, protozoans and bacteria. These microorganisms are at the very base of food webs and ecological functions

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Credit: mymicroscopic
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How your heart and lungs move during breathing:

During inhalation, the diaphragm — a thin sheet of dome-shaped muscle that separates the chest and abdominal cavities — contracts and moves down, increasing the space in the chest cavity. At the same time, the muscles between the ribs contract to pull the rib cage upward and outward. During exhalation, the exact opposite happens.

About me: I share intuitive animations about biology & brain

The latest 🧠brain tech news: BrainBridger News


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Cerebellum has over 50% of the total number of neurons in the brain:

Cerebellum is responsible for maintenance of balance, movement coordination, and motor learning

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Credit: Greg Dunn
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This is how a nerve ending looks. It has been broken open to reveal vesicles (orange and blue) containing chemicals used to pass messages in the nervous system

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Credit: T. Carvalho
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Brain and its internal wiring:


The brain’s wiring includes axons: extensions of neurons that make connections with other neurons. By means of these axons, various parts of the brain can keep each other aware of what they are doing.

Dendrites are appendages that receive communications from other cells. They resemble a tree-like structure, forming projections that become stimulated by other neurons and conduct the electrochemical charge to the cell body

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Credit: Dr. Greg Dunn and Dr. Brian Edwards.
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How food travels through your digestive system:


Your digestive system is made up of a series of organs that allows your body to get the nutrients and energy it needs from the food we eat. As food travels through the digestive system it is broken down, sorted, and reprocessed before being circulated around the body to nourish and replace cells and supply energy to our muscles.

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Credit: T. Thompson
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Slime mold searching for food:

Slime mold can solve mazes and appears to learn new things about its environment. When food is placed at the end, slime mold locates the food by exploring every part of the maze. The slime mold will find the shortest path to the food and retract all paths that don’t lead to these points

About me: I share intuitive animations about biology & brain

The latest 🧠brain tech news: BrainBridger News


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Normal neuron is trying to connect with a mutated neuron:
#neuroscience

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Credit: Frank Gertler, Erik Dent
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Brain cell forming new connections:

This animation shows neurons in the brain forming new connections to conduct electrical impulses. There are two parts of neurons involved in the conduction of the impulses: axons and dendrites

1. Dendrites receive electrochemical impulses from other neurons, and carry them inwards and towards the soma, while axons carry the impulses away from the soma.
2. Dendrites are short and heavily branched in appearance, while axons are much longer.
3. Generally, dendrites receive neuron signals, and axons transmit them.
4. Most neurons have a lot of dendrites and only have one axon

About me: I share intuitive animations about biology & brain

The latest 🧠brain tech news: BrainBridger News


Credit: USC Stevens Neuroimaging and Informatics Institute and https://lnkd.in/eKAd5RYT
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Zooming into the brain. Through neurons to DNA:
#neuroscience


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