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Introduction
Hello everyone who is into any information about the human body. Be it a biochemistry, human biology, or physiology, flow diagrams are here to interpret some very complex information flow within our...
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Nicely from beginning - embryology
... and that's how I became interested in embryology. Well, sort of. As soon as I saw this diagram in this Dictionary of biology (Penguin, 2004) straight away started the process of deep study of...
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Level of glucose in the blood
In this post I'm bringing here one of the most typical representative of the flow diagram. This one explains the process of working on the steady level of glucose ( type of simple sugar) in the blood....
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3-tier system of hormones
In this post, I will get into closer examination of endocrine or hormonal system. It's called 3-tier, because the secretion of hormones comes in three sort of "waves". The first one comes from...
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ADH negative feedback
And just as I promised to you in my last post, I'm bringing here nice flow diagram that very nicely explains how the body regulates the amount of water in the blood and therefore the body itself. It...
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Stress response
The stress response, commonly known as the fight-or-flight reaction, is the first part of so-called General Adaptation Syndrome (GAS). It's a short lasting physical reaction of the body (or organism)...
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ATP - cell's rechargeable battery
ATP, or adenosine triphosphate, could be put in an analogy of a mini rechargeable battery that cells are using to feed the energy for many different processes within the body. It contains three basic...
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Muscle contraction
Muscle contraction is a complex process with one simple objective of enabling the movement to an organism. This complex process can be studied from many different levels, and the knowledge about the...
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Basics of human metabolism
I found quite good flow diagram in the book Principles of anatomy and physiology, 7-th edition. It covers the basics of metabolism, mainly the view of certain key molecules involved in it. There could...
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Glycogen window - the essay on glycogen
Glycogen is the molecule built up from small rings of glucose (see the picture). It's structure is highly branched, which left a lot of space inbetween, and this space needs to be filled up with water....
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About central dogma in biology
Central dogma in biology dates back to 1958, when F. Crick proposed a theory that explained the flow of information within the organism. Moreover, it can be represented in the form of the flow diagram,...
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Ode to the water - the life giving fluid
This post is a collection of arguments about why is the water so important for life, health, beauty, and many other things. So let's start with the starters. The water is a medium in which nearly all...
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Blood-brain barrier story
Let me tell you a story about nutrients travelling up the bloodstream heading towards the head. Because there is a lots of toxic and harmful substances in the blood normally, those nutrients in it get...
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Life cycle of red blood cells
Red blood cells (or RBCs), also medically called erythrocytes, have a lifetime around 120 days, during which they appear and operate at many different places. Then, they undertake the process of...
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Cycle of formation and breakdown of bone tissue
Even in an adult person, the bone tissues undergo the process of constant recycling. The new tissue is usually built at the same rate as the breakdown of the old one. This is achieved by the fact that...
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In this post I'd like to describe the sequence of total stopping of any food intake, providing the water is still available, even if in minimal amounts. To understand the progression, it would be the...
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Relationship between lymphatic and cardiovascular systems
In this post I will describe the flow between blood vessels and lymphatic vessels, and back. This flow is sort of cyclical as from the end part of capillaries some part of blood get into so-called...
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