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Month: September 2019
Parco Scientific PB00060 2X Color Coded Functional Brain-4 Parts | Identify Intellectual, Motor and Sensory Centers | 9 Colors to Differentiate Region of Brain | Hand-Numbered 120 Features W Key Card: Industrial & Scientific
Oxygen Hemoglobin Dissociation Curve is the topic du jour, and I am going to do my best for you to not get bored. Well, welcome to another MedCram lecture. We’re going to talk about the effect of different things on the oxygen hemoglobin dissociation curve. So we’ve got a red blood cell that kind of…
Circulatory System exploration Hi there! Can you guess what I am? I’ll give you a hint… I have a very important job inside your body, and your heart helps me to do my job. I’m a red blood cell! My job is so important that you’ll thank me for it later! But I can’t take…
Respiratory System by Mr. Anderson: Hi it’s Mr. Andersen and welcome to my podcast on the respiratory system. The primary role of the respiratory system is basically to take in oxygen and then get rid of carbon dioxide. The respiratory system is a Right here in Montana at around 5,000 feet, that’s no big deal….
Antibiotic resistance does happen, and it is evidence that bacteria, like all other living things, evolve Fortunately, there are amazing medicines designed to fight bacterial infections. Synthesized from chemicals or occurring naturally in things like mold, these antibiotics kill or neutralize bacteria by interrupting cell wall synthesis or interfering with vital processes like protein synthesis, all while leaving human cells unharmed.
Pretend for a minute that you can’t breathe. Like, you just don’t have lungs anymore. You are some bizarre evolutionary oddity — a huge, human-shaped organism that doesn’t have a respiratory system. Instead, you get all of your oxygen the way that your oldest, smallest evolutionary ancestors did — by simple diffusion.
The remarkable diversity of life on Earth and we presume elsewhere in the universe, is owed to the cosmic abundance of carbon, and the countless number of molecules, simple and complex, made from it.
microbial life: They did so on a planet that had been home to all these organisms for billions of years. This is Ed Yong, he’s written a book about the microorganisms that live inside us and all around us.