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Revision of controlling conditions. Controlling conditions. The conditions inside your body are known as its i…………. e………………. Your body has to keep these conditions balanced – this is called h……………….. This control involves chemicals called ……………………..
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Controlling conditions • The conditions inside your body are known as its i…………. e………………. • Your body has to keep these conditions balanced – this is called h……………….. • This control involves chemicals called …………………….. • This control also involves the ………………… system.
Control of water • You take water into your body when you ……………….. and ……………… • You lose water when you …………….. out, and when you s……………. • You also lose water and salt in your …………………. , which is made in your ………………… • Water moves in and out of cells by ……………….
Control of temperature • Core body temperature should be ……..C • This is to keep ……………… working at their optimum temperature. • The body can cool down by s……………… • The body can warm up by s………………………
Control of blood sugar • When you digest a meal, sugar passes into your ……………….. • The concentration of glucose is reduced by a hormone called ………………. • This hormone is produced in the …………………… • It stops the blood sugar level from getting too ………………..
Controlling conditions • The conditions inside your body are known as its internal environment • Your body has to keep these conditions balanced – this is called homeostasis • This control involves chemicals called hormones • This control also involves the nervous system.
Control of water • You take water into your body when you eat and drink • You lose water when you breathe out, and when you sweat • You also lose water and salt in your urine , which is made in your kidneys • Water moves in and out of cells by osmosis
Control of temperature • Core body temperature should be 37 C • This is to keep enzymes working at their optimum temperature. • The body can cool down by sweating • The body can warm up by shivering
Control of blood sugar • When you digest a meal, sugar passes into your bloodstream • The concentration of glucose is reduced by a hormone called insulin • This hormone is produced in the pancreas • It stops the blood sugar level from getting too high