ovij (57)in #science • 7 years agoWhy 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 agoRhesus 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 agoWhat 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 agoCreating 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 agoHow 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 agoIntroducing 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 agoHow 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 agoThe 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 agoHow 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 agoWhy 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 agoMalignant 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 agoHow 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 agoIs 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 agoHow 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 agoHow 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 agoHow 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 agoHow 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 agoHow 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 agoOCD 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 agoHow do nerves conduct electrical impulses?Nerves are just like wires aren’t they? Electrical impulses move through neurones just like electricity flows…
