Respiratory, circ, digestive system Flashcards
because why not
What is the major muscle in the respiratory system?
The diaphragm
What takes place in the alveoli?
Gas exchange between alveoli and capillaries.
What are the little versions of bronchi called?
Bronchioles.
Most breathing takes place in the…
Nose
Where is the diaphragm located?
Below the lungs.
What do the hairs and mucus in your nose do?
Filter the air you breathe in.
What is the larynx also known as?
The voice box!
When you breathe IN, does your diaphragm move up or down?
Down, to make room for air.
When you breathe OUT, does your diaphragm move up or down?
It moves up and back into place.
How many alveoli do your lungs have?
Over 400 million.
The trachea is also known as..
Your wind pipe.
What does your trachea have to keep it from getting crushed?
Rings of cartilage.
What is the function of your respiratory system?(does not have to be exact)
To breathe in air, such as oxygen, as well as exhale unwanted carbon dioxide.
What other systems does it work closely with?
-The muscular system
-The circulatory system
-It overlaps with the digestive system
what is the smallest unit of organization in the body
cell
what is made up of multiple kinds of cells
tissues
what is made up of multiple kinds of tissues
organs
what is made up of multiple kinds of organs
organ systems
what is made up of multiple kinds of organ systems
organism
what must an organism be able to do?
carry out all life processes
What is the difference between oxygenated and deoxygenated blood
oxy- contains oxygen
deoxy- does not contain O2
What is a capillary
a very small blood vessel that contains arteries and veins
what does the circ system bring around the body
-waste
-nutrients
-oxygen
why does your heart rate increase when you excersice?
because your cells need oxygen so they work harder
where can you take your pulse?
-neck(corotid)
-wrist(radial)
what are the 3 digestive processes
-ingestion
-digestion
-excretion
what do the large and small intestines do
S: nutrient absorption and digestion
L:most water absorption
what do the liver and pancreas do
