to keep your organs functioning properly
Your body temperature and your water level
Homeostasis is the steady internal state all organisms must maintain in order to survive.
Its because the body needs oxygen constantly and it must be provided and note its a reflex action.
A steady (instead of flashing) yellow light means the traffic signal is changing from green to red. You must stop if it's safe to do so. If you're already stopped you must not proceed.
Animals must store their food before thy hibernate because the need to keep body fat for the winter.
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Certainly it must be "stable table."
To ensure your experiment is fair, you must keep all variables constant except for the one you are testing. This means controlling outside factors that could influence the results of your experiment.
you must where safety glasses and keep your body limbs away from the device
The body should keep essential nutrients such as glucose, electrolytes, and water that are present in the filtrate. These substances are important for various bodily functions and must be reabsorbed by the kidneys to maintain proper balance in the body.
its all a matter of physics; energy, inertia ,and gravity.