The spreading of particles from high concentration to low concentration.
What is diffusion?
The word equation for aerobic respiration.
What is glucose + oxygen → carbon dioxide + water?
This process is mechanical and helps air move in and out of the lungs.
What is breathing?
This part of blood transports oxygen.
What are red blood cells?
These reactions release heat.
What are exothermic reactions?
The food colouring spreads faster in warm water because these move faster.
What are particles?
These two gases diffuse between the alveoli and the capillaries.
What are oxygen and carbon dioxide?
This process is chemical and releases energy in cells.
What is respiration?
This liquid portion carries nutrients, waste, and gases.
What is plasma?
These reactions absorb heat from the surroundings.
What are endothermic reactions?
The fragrance sprayed in the corner of the classroom eventually reaches everyone by this process.
What is diffusion of gas particles?
The reason organisms need oxygen.
What is to release energy during aerobic respiration?
This muscle contracts to pull air into the lungs.
What is the diaphragm?
This blood component protects the body from pathogens.
What are white blood cells?
Combustion is an example of this type of reaction.
What is exothermic?
This state of matter diffuses the fastest.
What is gas?
The cellular location where aerobic respiration happens.
What are the mitochondria?
This reaction uses oxygen to release energy, carbon dioxide, and water.
What is aerobic respiration?
Blood appears in layers when spun in this device.
What is a centrifuge?
A temperature decrease in a beaker suggests this type of reaction.
What is endothermic?
The reason diffusion happens without energy input.
What is random particle movement?
This thin structure in the lungs increases surface area for gas exchange.
What are the alveoli?
Breathing can be voluntary and involuntary, but this process is always involuntary.
What is respiration?
The reason red blood cells have no nucleus.
What is to carry more haemoglobin/oxygen?
The energy change in exothermic reactions is shown by heat flowing in this direction.
What is from the system to the surroundings?