The digestive system breaks down food and releases ____________ into the blood.
nutrients
The ______ is one of the most of the most important organs because it is the engine of our body.
Heart
Air enters our body through our ____ and mouth.
nose
The excretory system eliminates waste and excess water from the body in the form of_______.
Urine
The heart has ___ main parts.
Two
The food goes down the ________.
The circulatory system transports nutrients and oxygen to our organs, _______, brains, and muscles.
Bones
What is the name of the gas we inhale?
oxygen
Urine is stored here until you have to go to the bathroom
Bladder
There are two _______ in each part.
Chambers
The __________ in the stomach break the food into smaller pieces.
gastric juices
The heart pumps blood around the body, which then circulates in tubes called ______ and _______.
arteries, veins
What is the name of the gas we expel?
carbon dioxide
People have two of these organs. They filter and remove waste products from the bood.
Kidneys
The upper chambers are called
atriums
The ___________________ absorbs the nutrients from the food and they pass into the blood.
small intestines
The blood containing nutrients and oxygen flows _____ from the heart.
A. Away
B. Towards
away
Air flows down the _____ and into the lungs.
trachea
Urine leaves your body through this organ.
Urethra
The lower chambers are called
Ventricles
The ______________ absorbs the water and waste pasess into the colon.
large intestine
A. Oxygenated
B. Deoxygenated
deoxygenated
There are lots of small air tubes inside the lungs called______.
Bronchioles
Urine travels down these two tubes
Ureter
The _______ allows the oxygenated blood to travel from your heart to the rest of your body.
Aorta