WebOsmosis: osmosis is the movement of water molecules down its concentration gradient across a partially permeable membrane. It is a passive process so does not require energy in the form of ATP. Osmosis is responsible for the movement of water molecules into the root hair cells of plants, for example. Simple diffusion: this is the movement of ... WebIn this video, we look at phospholipids. First we explore the structure of phospholipids and how they are different from triglycerides. We then explore how t...

A Level Biology Revision "Phospholipids and Cholesterol"

WebWhen people talk about keeping their cholesterol down, they usually mean their total cholesterol level- the levels of ‘good’ HDL cholesterol, ‘bad’ non-HDL cholesterol and levels of triglycerides (fatty substances that can contribute to the blockage of blood vessels). There is no specific target cholesterol level. david hasselhoff sweet caroline 2021 songs

What are statins biology GCSE? - scienceoxygen.com

WebControlling cholesterol levels - Pathology of cardiovascular disease (CVD) - Higher Human Biology Revision - BBC Bitesize Pathology of cardiovascular disease (CVD) Cardiovascular disease... WebAtherosclerosis is a progressive disorder and primarily an inflammatory disease. It is caused by atheroma’s and marked by the narrowing of arteries by the hardening done by plaques. Atheroma is the flaky material made up of lipids (cholesterol and lipid), macrophages, calcified lesions and fibrous tissue that are present nearest the lumen of ... WebStatins. Statins are drugs that reduce the amount of bad cholesterol in your bloodstream. Cholesterol is a fatty acid which you need. However, not all cholesterol is good (and you don’t want too much of it). If you have too much bad cholesterol, this can build up in your blood vessels and cause coronary heart disease. david hasselhoff pingu