The organ system that breaks down food.
digestive system
What are the three functions of this system?
movement, protection, support
What is the function of this blood cell?
transport oxygen
What is the function of plant leaves?
photosynthesis/make food
What is the function of synovial fluid in joints?
lubricate / reduce friction
What type of joint is at your elbow?
hinge
Muscle pairs that contract and relax to work in opposite directions are called ___.
antagonistic
When muscles contract, they produce a _____ force.
pulling
The process where food is broken down in cells to provide energy.
respiration
Why do we need a microscope to see bacteria and yeast?
They are too small to see by eye.
When micro-organisms break down organic matter.
Decay / decompose
What gas is made by yeast that makes bread rise?
carbon dioxide
Three cell parts that plant cells have and animal cells do not.
cell wall & chloroplast & large vacuole
Part of the cell that contains genetic information.
nucleus
What is the specialized plant cell that has a large surface area to absorb water quickly?
root hair cell
A feature that helps an organism survive in its environment is called an ___.
adaptation
