Body Organization
SYSTEMS WORKING TOGETHER
BACTERIA & FUNGI
GERMS & BODY DEFENSE
MODELS & EVIDENCE
100
Similar cells working together form this level of organization.
What is a tissue?
100
This system takes oxygen into the body and releases carbon dioxide.
What is the respiratory system?
100
True or false: All bacteria and fungi cause disease.
What is false?
100
These blood cells help defend the body against harmful bacteria and other threats.
What are white blood cells?
100
This is a simplified representation of something real.
What is a model?
200
Put these in order from smallest to largest: organ, cell, organ system, tissue, organism.
What is cell → tissue → organ → organ system → organism?
200
This system transports blood, oxygen, nutrients, and wastes.
What is the circulatory system?
200
This type of fungus is used to make bread.
What is yeast?
200
This is an agent that can cause disease.
What is a pathogen?
200
Scientists can use a mathematical model to change water levels without doing this to a real pond.
What is draining or changing the real pond?
300
Different tissues working together form this structure.
What is an organ?
300
These organs filter wastes and extra fluid from the blood.
What are the kidneys?
300
Some of these microorganisms living in the intestines help with digestion.
What are bacteria?
300
This infectious agent uses a living host cell to make copies.
What is a virus?
300
Give one limitation of a scientific model.
What is its results depend on data and assumptions?
400
This system detects changes and sends signals throughout the body.
What is the nervous system?
400
Complete the oxygen pathway: Air → lungs → _____ → body cells.
What is the blood?
400
Finish this statement correctly: Most bacteria and fungi are ________.
What is harmless and may be beneficial?
400
This organism lives in or on another organism and takes nutrients from it.
What is a parasite?
400
To investigate an ancient extinction, paleontologists study these two important sources of information.
What are fossils and rock layers?
500
Arrange these from most complex to simplest: tissue, organism, cell, organ, organ system.
What is organism → organ system → organ → tissue → cell?
500
Explain why your pulse rises when you run.
What is working muscles need more oxygen, so the heart pumps faster to deliver more oxygen-rich blood?
500
Explain why saying “bacteria and fungi are always harmful” is incorrect.
What is many are harmless or beneficial, although some can cause disease?
500
Compare a virus and a parasite by explaining what each gets from its host.
What is a virus uses a living host cell to make copies, while a parasite takes nutrients from its host?
500
What would provide strong evidence supporting a connection between a meteor impact and an ancient extinction?
What is meteor-impact evidence in rock layers formed at the same time as the last dinosaur fossils?