BIOLOGY Flashcards
What is the difference between breathing and respiration?
Breathing is an exchange of gases.
Respiration is a reaction in the celss to release energy.
Write out the equation for respiration.
Glucose + oxygen -> carbon dioxide + water + ENERGY
What part of the air do we take into our blood and why?
Oxygen - needed for respiration in cells - it is carried by red blood cells (Haemoglobin)
What do we breathe out that is a waste product from respiration?
Carbon Dioxide (dissolved in plasma in blood)
Where does carbon dioxide come from?
Respiration in cells, waste product
What carries the oxygen in our blood?
Haemoglobin in red blood cells
What is the function of white blood cells in our body?
to fight disease - two type: lymphocytes make antibodies, and phagocytes digest germs
What vessesl carry blood away from the heart?
arteries
What is the name of the vessel that has thin walls, which helps food, oxygen and waste pass through to neighbouring cells?
Capillaries
What vessels carry blood back to our heart?
veins
