Intervensi biology Form 4 chapter 7

1. INTERVENTION – BIOLOGY CHAPTER 7
CHAPTER 7 : RESPIRATION
1. Fill in the blanks .
Aerobic Anaerobic
Breakdown of ____________
in the presence of oxygen
____________ breakdown of
glucose.
Releases __________ energy
compared to anaerobic
respiration
2. Breathing mechanisms in humans
Inhalation (Inspiration) Exhalation (Expiration)
Outer intercostals muscle contract
Inner intercostals muscle relax
Rib cage moves upwards and outwards
Diaphragm muscle relax
Diaphragm flattens
Volume of thorax decreases
Pressure of thorax increase
Air moves into the lungs
Breakdown of glucose in the
absence of ______________
Incomplete breakdown of
_______________
Releases less energy
compared to ____________
respiration
Respiration

2. INTERVENTION – BIOLOGY CHAPTER 7
3. Figure below shows the gaseous exchange of oxygen and carbon dioxide
between the lungs and surrounding blood capillaries..
Name V, W, X, Y and Z shown in the figure above.
V : ____________________________ W : ____________________________
X : ____________________________ Y : ____________________________
Z : ____________________________
4. The table below shows the differences between photosynthesis and respiration.
Complete this table.
Processes
Photosynthesis Respiration
Carried out by …
What is its
purpose?
What raw materials
are needed?
What are
produced?
Is light needed?
Takes place in
which organelle?
Is chlorophyll
needed?

3. INTERVENTION – BIOLOGY CHAPTER 7
Write out the
equation