Circulatory System
What organs make up the circulatory system?
Heart and blood vessels
main organ of excretory system
kidneys
Function of digestive system
breaks down food and absorbs nutrients
Organ system that gives your body structure and allows for movement
Skeletal System
Where are your lungs?
Lungs are in your chest
These blood vessels take blood TOWARDS the heart
veins
Why is it important for the excretory system to work properly?
To prevent the buildup of harmful waste that can damage the body
The diaphragm moves this way when we inhale
down
What are the three types of muscles?
cardiac, skeletal, and smooth
What is the respiratory system responsible for
The respiratory system helps us breathe by bringing in oxygen and removing carbon dioxide.
This organ of the circulatory system that works without us telling it to and without it we will die
Heart
Urine is made inside this organ
kidney
Mechanical and Chemical Digestion begins here
mouth
What are the two main categories of muscles?
voluntary & involuntary
How do the muscles in our chest help us breathe?
Muscles in our chest contract and expand to make our lungs fill with air when we breathe.
Blood cells are made here
bone marrow
This waste product gives urine its yellow color.
urea
Organ that begins the chemical breakdown of protein
stomach
The spaces between bones.
joints
A waste gas that is transported in veins from the body to the lungs via the heart
carbon dioxide
The heart is an organ made up of 4 chambers. What kind of blood do the chambers on the right side carry?
carbon dioxide rich blood
What is the name of the tiny filtering units inside each kidney?
nephrons
Organs that help in the process of digestion but are not part of the digestive tract.
(HINT: There are 4)
What is liver, pancreas, gall bladder, salivary glands?
How do our bones grow as we get older?
Bones grow by adding new bone material to make us taller and stronger.
function of Alveoli
they are tiny balloon-like sacs that look like bunches of grapes where carbon dioxide in the blood is exchanged for oxygen