What are number 5?
arteries
What is number 6?
(urinary) bladder
What type of blood vessel transports blood from the organs to the heart.
veins
During digestion, what happens in the stomach?
Food mixes with gastric juices and transforms into mush.
What is number 4?
right atrium
What is the purpose of the circulatory system?
It transports nutrients and oxygen to cells in all parts of the body and carries waste substances so they can be expelled.
What is letter A?
nasal passages
The _____ separates the lungs from the abdomen.
diaphragm
trachea
nasal passages
Does the digestive system absorb all the nutrients you need?
Yes
What are the parts of the urinary tract and what does it do?
Two ureters, urinary bladder, urethra. It transports urine outside the body.
This is the sac that stores urine.
(urinary) bladder
What does the body do with nutrients it doesn't need?
The body stores the extra nutrients as fat and we gain weight.
What is letter C?
liver
What substance do the salivary glands produce?
saliva
What is number 5?
ureter
What word do we use when our teeth cut food up into small pieces.
chew
What is letter B?
oesophagus
Explain what happens in the kidneys.
They filter the blood with the nephrons and produce urine.
True or false: The sweat glands do not have an excretory function.
False
In the digestive system, which happens first, digestion or absorption? Explain
Digestion. It breaks food down into nutrients small enough for your body to absorb.
Air enters and leaves the respiratory system though the_____.
nasal passages
diaphragm
trachea
What is letter C?
diaphragm
Which blood cells transport oxygen?
red blood cells
The _____ is a tube that takes air to the lungs.
diaphragm
nasal passages
trachea
Which type of blood cells have a defensive function?
white blood cells