Flashcards in B2.4 Energy From Respiration Deck (23):
What is the word equation for aerobic respiration?
Oxygen + glucose --energy--> carbon dioxide + water +(energy)
A chemical reaction that happens in all living things which releases energy in the presence of oxygen
What's the difference between breathing and respiration?
Breathing is a muscular contraction whereas respiration is the chemical reaction
Where does respiration occur?
How are mitochondria adapted for respiration?
Folded inner membrane provides and large surface area
They have a matrix
Why do we need respiration?
Digestion - muscle contraction in stomach
Building up new cell material
Muscles contract when you breathe keeping your heart beating
To keep your body at a constant temperature - energy is used to sweat
What is the respiration energy used for?
How do you test for CO2
Limewater turns cloudy
How do you test for water
Cobalt chloride paper goes from blue to pink
Define heart rate
Define breathing rate
The number of heartbeats per minute
The number of breaths per minute
Why does your heart rate increase during exercise?
It needs to get your blood around your body quicker and get oxygen to your muscles and remove CO2
Why does your breathing rate increase during exercise?
Your body needs more oxygen in your body and muscles and you need to exhale more carbon dioxide
It's where your muscles store glucose. It converts into glucose when you exercise which is used for aerobic respiration
Found in the liver also
What are the benefits of exercise?
Your heart and lungs become larger and stronger
You get a more efficient blood supply
It releases happy hormones
Why do you get hungry after exercising?
You use up energy when you exercise and need the energy in food to restore your body
Found in water and blood
Stored as glycogen in muscles and liver
What does anaerobic actually mean?
What's the word equation for anaerobic respiration?
Glucose -> lactic acid + little energy
What's similar about aerobic and anaerobic respiration?
Both produce energy
Both involve glucose
What's the difference between aerobic and anaerobic respiration?
Anaerobic doesn't use oxygen and lactic acid is produced
More energy is produced aerobically
Where does anaerobic respiration occur?