The process where food is broken down in cells to provide energy.
respiration
What is the function of synovial fluid in joints?
lubricate / reduce friction
What gas is made by yeast that makes bread rise?
carbon dioxide
What is the function of plant leaves?
photosynthesis/make food
Give three examples of renewable energy resources.
wind, plants (biomass), water, solar (light), tidal
What is the function of this blood cell?
transport oxygen
The organ system that breaks down food.
digestive system
Muscle pairs that contract and relax to work in opposite directions are called ___.
antagonistic
Part of the cell that contains genetic information.
nucleus
A feature that helps an organism survive in its environment is called an ___.
adaptation
What does "renewable" mean?
will not run out / can make more
What are the three functions of this system?
movement, protection, support
Organisms that eat other plants and/or animals.
consumers
Human-made CFCs damage ____ in our atmosphere.
ozone
Arrows in a food chain represent ___.
energy flow / passing between organisms
Organisms that use energy from sunlight to make food.
producers
Three cell parts that plant cells have and animal cells do not.
cell wall & chloroplast & large vacuole
Give three examples of fossil fuels.
oil, coal, natural gas, petrol, gasoline
When muscles contract, they produce a _____ force.
pulling
Why do we need a microscope to see bacteria and yeast?
They are too small to see by eye.
What type of joint is at your elbow?
hinge
Sulfur dioxide dissolves in rainwater to make ___.
acid rain
When micro-organisms break down organic matter.
Decay / decompose
What is the specialized plant cell that has a large surface area to absorb water quickly?
root hair cell