muscle cells consist of branched uninucleate cells with junctions called as intercalated discs.

What does cooper mean when she says “…non-nutrient foods are really, really cheap which is why i say it’s a social justice issue.” (7: 50 in video)

There are blank calories in a gram of carbohydrate

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?