8b Respiration Flashcards
Name the molecule that is needed to release energy
Glucose
Aerobic respiration word formula
Oxygen + glucose = carbon dioxide + water
How does the circulatory system carry blood cells
Glucose is absorbed by the small intestine .and oxygen is absorbed by the lungs . Both substances g9 into capillaries where they enter the blood.
What adaptation does capillaries have
It has thin walls with small holes so that small molecules can get easily in and out of them
Name of blood vessel that carries blood to your heart
Veins
Name blood vessels which carry blood away from your heart
Arteries
What does the right side of your heart do
Receives blood from all over the body and pumps it to your lungs
What does the left side of the body do
Receives blood from the lungs and pumps it to the rest of the body
Which side is bigger and why
The left because it has to pump harder to get the blood all the way around
What is oxygen carried by
Dried blood cells
What is dissolved glucose carried by
Plasma ( the liquid part of a tissue )
What does plasma form
It leaks out of the capillaries and forms tissue fluid which flows over the cells
How does oxygen leave the red blood cells
Oxygen leaves the red blood cells in the capillaries and dissolves in the issue fluid . The red blood cells stay inside the capillaries
What is an aerobicexercise
Where you can easily get oxygen from the air
What does carbon dioxide do
Stops aerobic respiration as it is poisonous
How is carbon dioxide excreted
It dissolves in tissue fluid and is carried through blood plasma to the lungs to be excreted
What is anaerobic respiration
Sometimes during intense exercise your body can not provide enough oxygen so it breaks down the glucose without oxygen to release energy
Formula of anaerobic respiration
Glucose -> lactic acid
What does too much lactic acid do
Make yourmuscles capramo
When you stop exercising hard you continue to pant in order to supply your body with oxygen to break the lactic acid down this is called a
Oxygen debt
What is breathing
When your muscles change the size of your lungs
When you inhale your lungs
Get bigger
When you exhale
Your lungs get smaller
What does alveoli do and adaptation
Provides a larger surface area for absorbing oxygen and has thin walls so that substances can easily diffuse into the blood
