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Copy of Levels of Organization
Transcript of Copy of Levels of Organization
We have 75-100 trillion cells and
210 different types of cells
The surface area of the lungs is roughly
the same size as a tennis court.
The highest recorded “sneeze speed”
Is 103 miles per hour.
Adults eat about
of food per year.
The brain looks like a
giant, wrinkled walnut.
About 2 million blood cells die in the human body every second, and the same number
are produced each second.
It takes 20 muscles to smile
and more than 40 to frown.
The largest bone in the
human body is the pelvis.
You are an organism, an individual of the human species. Organisms can be large or small, as long as the individual can perform all the functions of life.
Level Seven: Organism
Level Six: Organ Systems
Level Four: Tissues
Level Five: Organs
Four types of tissues in the human body:
shape of cells
amount of material between cells
4 Main Types of Tissues
Cells are the smallest unit of structure and function of any living thing.
Many specialized types (that have a specific job to do in the body)
Level 3: Cells
Molecules are two or more atoms put together.
Level 2: Molecules
Level 1: Atoms
Each organ in your body is part of an organ system, a group of organs working together to perform a special job in the body
a group of biological cells that perform a similar function.
a collection of tissues joined in a structural unit to serve a common function
Plants and animals have organ systems too!
Organization of life
What is a living organism made of?