ovij (57)in #science • 7 years ago • NoneWhy do we get allergies?Many of us will get allergic reactions in our lifetimes. They can range from a minor irritancy, such as hayfever…ovij (57)in #science • 7 years ago • NoneRhesus disease – When a mother’s immune system attacks her childSurely a mother’s immune system cannot attack her own, unborn child. A child is part of its mother, it shares her…ovij (57)in #science • 7 years ago • NoneWhat are autoimmune diseases? Why do we get them?What is autoimmunity? The immune system is designed to identify and attack foreign organisms within the body that…ovij (57)in #science • 7 years ago • NoneCreating instant ice – What is supercooled water?Supercooling is the process of chilling a liquid below its freezing point, without it becoming solid. figure 1.…ovij (57)in #science • 7 years ago • NoneHow would you measure the volume of all the blood in your body?How would you go about trying to measure the total volume of blood in the human body? There is one simple solution…ovij resteemedsteemstem (73)in #steemstem • 7 years ago • NoneIntroducing SteemStem Distilled #1Welcome to the first issue of SteemSTEM Distilled, a curation effort by the members of the @steemstem team.…ovij (57)in #science • 7 years ago • NoneHow do enzymes catalyse biological reactions?Many of the reactions that occur in the body would happen at remarkably low rates under physiological conditions. In…ovij (57)in #science • 7 years ago • NoneThe fat that makes you thin – What is brown fat?When most people think of fat, they will probably picture a tyre of flab lingering around the midriff (or something of…ovij (57)in #science • 7 years ago • NoneHow do cells generate energy?Everyone knows that oxygen is required to live. But, why is that the case? What is it about oxygen that is…ovij (57)in #science • 7 years ago • NoneWhy can’t you hold your breath until you die?Hold your breath for as long as you can. Breath holding kid How long did you last? No more than a few…ovij (57)in #science • 7 years ago • NoneMalignant hyperthermia – An introduction to the pathophysiologyMany of you will have heard of hypothermia, a life-threatening decrease in body temperature. While hyperthermia is the…ovij (57)in #science • 7 years ago • NoneHow do muscles contract?Contraction in the simplest sense is shortening of a muscle fibre. When muscles receive stimulation from the nervous…ovij (57)in #science • 7 years ago • NoneIs 99% of our DNA junk?“ Did you know 98.8% of human DNA is just junk? ” “ What do you mean, junk? ” “ It doesn’t code for…ovij (57)in #science • 7 years ago • NoneHow does protein synthesis occur?Proteins are by far the most important macromolecule within the body. What? Proteins are just muscles, aren’t…ovij (57)in #science • 7 years ago • NoneHow is DNA replicated?Each time a new cell divides, the entire genome must be replicated in an error free manor in order to prevent cancer…ovij (57)in #science • 7 years ago • NoneHow is information transmitted in the nervous system?An action potential is the only means by which a signal can be transmitted along a nerve cell. It is therefore down to…ovij (57)in #science • 7 years ago • NoneHow does your heart beat?A human heart will beat around 3 billion times in an average lifetime. The heart works continuously from birth till…ovij (57)in #science • 7 years ago • NoneHow do nerves carry electrical impulses so fast?Nerve impulses can travel at up to 119m/s. To put that into perspective, it is faster than a Bugatti Veyron…ovij resteemedocd (78)in #ocd • 7 years ago • NoneOCD Daily: Issue #50OCD DAILY - Issue #50 Welcome to the 50th issue of @OCD Daily! Issue #50 highlights content from eight (8)…ovij (57)in #science • 7 years ago • NoneHow do nerves conduct electrical impulses?Nerves are just like wires aren’t they? Electrical impulses move through neurones just like electricity flows…