food enters the body through the mouth then moves through the ________________
esophagus
sweat is produced in this organ
skin
the main organ of the circulatory system
heart
this system is made of muscle and bones
skeletal system
the ear is divided into how many parts?
name them !
3: inner, outer and middle
food then moves into the __________
stomach
this gas is removed by the lungs when you breathe out
carbon dioxide
main organ of the respiratory system
lungs
brain , spinal cord, and nerves
nervous system
the 3 smallest bones are found in _______
name them!
middle ear
hammer, anvil and stirrup
In the small intestine, food is mixed with substances produced by the pancreas and the __________
gall bladder
this system includes kidneys, ureters
urinary system
oxygen rich blood is pumped to the body through ______-
arteries
information from skin receptors in your hand get processed in your ___________
brain
this animal has the strongest sense of smell
elephant
nutrients are absorbed in the _________________
small intestine
urine is stored in this organ
bladder
blood is returned to the heart through________
veins
this type of response send information to the spinal cord. The brain is not involved
reflexes
the only flying mammal that use echolocation
bat
this is where water and minerals are absorbed before moving out of the body as waste
large intestine
it is the largest organ of the body
skin
the muscle under the lungs that controls inhalation and exhalation
diaphragm
light enters the the eye through the opening in the center called the _______
then it strikes the back of the eye called the ______
pupil
retina
which receptors allow you to identify particular foods?
smell and taste