excretory
what is the organ that holds your urine?
bladder
the organ that holds air in our body
the lungs
this organ pumps blood for our body
heart
where does the digestive sysem start?
mouth
what is the most organ that controls the body in the nervous system?
the brain
what does the excretory system get rid of from our bodies?
the tube that brings air to our lungs
trachea
this is a red liquid in our body
blood
the tube that carries food to our stomach
the esophagus
name one part of the nervous system that is on the back
spinal cord
what do the kidneys do?
clean our blood
the organ that holds air in our body, and how many do we have
lungs, we have got 2 lungs
these tubes carry blood throughout our body
blood vessels
this is the main organ of the digestive system
the stomach
what is part of the nervous system that is in all the body
nerves
these tubes carry urine down to the bladder
ureters
what is the most important thing our respiratory system gives us
oxygen
what organ does the circulatory system get oxygen from
lungs
what is the most important thing our digestive system gives us
nutrients
at what organ does the excretory system meet with the circulatory system
kidneys
explain all the steps of the excretory system in order
it starts with blood in the kidneys that cleans it. then the liquid waste travels down the ureters into the bladder. and when its full we have to go the bathroom
say all the steps in order of the respiratory system
we breathe through our nose down to the trachea and our lungs fill up with air
what are the two most important things the circulatory system carries throughout our body
nutrients and oxygen
explain the whole process of the digestive system in order
first, we eat food with our mouth with our teeth and then down the esophagus to our stomach that breaks down food and then goes to the large intestine
what is the connection between all four of these systems?