Answered

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The bell rings at the end of
class and you jump up to head
for the door. When you stand
up, you feel
light-headed.

What happens in your body? What systems are involved ?

Sagot :

  • When you are sitting constant at bench your blood vessels and pressure of muscles are stable there.
  • When you sudden wake up blood also wakes up .
  • The gravity pulls it down from head.
  • So you feel lightweight.

Muscular and nervous system involved

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