questionedithistorytranslationsHow many joints are in the human foot?261681611515633163The human foot consists of 26 bones and 33 joints.Share and bring new players to the game!correct this questionTschukareach: rather globalbiologyfeethuman anatomypeoplemmarchinwikipedia → List of bones of the human skeletonPeople quizHuman anatomy quizBiology quizHow do baby birds get oxygen inside their eggs?Oxygen comes in through pores in the shell. Directly under the shell, there is a small pocket of air. The microscopic pores on the egg surface allow the CO2 to escape and fresh air to get in, so a developing bird can breathe.Which infectious agent causes diseases that are the most difficult to cure?Prion. All known prion diseases affect the structure of the brain or other neural tissue and all are currently untreatable and universally fatal. This includes bovine spongiform encephalopathy (BSE, also known as "mad cow disease") in cattle and Creutzfeldt–Jakob disease (CJD) in humans.How deep is the root system of a giant sequoia?4 meters (13 feet). The sequoias root system is wide spreading, but shallow. There is no taproot. A mature sequoia's roots can occupy over 1 acre of earth and contain over 90,000 cubic feet of soil. How much percent of the water is in plasma?90%. Plasma, a component of blood, is an aqueous solution. In 90% it consists of water.