2. NUTRITION
Nutrients give our cells all the energy that we need
The digestive system
It has two parts: digestive tract and digestive glands
3. The
respiratory system
The respiratory system is in charge of
breathing.When we exhale air sending it out
of the lungs.When we inhale air and it goes
into the lungs
4. The excretory system
the excretory system filters waste substances from
the blood it removes them through the excretion.It
is made up of the sweat glands and the urinary
system :kidneys ureters bladder and theurethra
5. The circulatory system
Is made up of the blood vessels ,blood and the
heart
BLOOD
IS A RED LIQUID
TISSUE THAT FLOATS IN A LIQIUD
CALLED PLASMA.IT CAN BE RED BLOOD
CELL,
WHITE BLOOD CELLS AND PLATELETS
