Vocabulary - From Cells To Systems
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Vocabulary
STUDENT RESOURCE 1.1
INFORMATION SHEET
cell the smallest living part of an
organ system a group of organs that
organism
work together to carry out a certain
The human body has trillions of
function
cells. A chicken egg has only one cell
The function of the digestive system
surrounded by food.
is to break food down into simple
chemicals that the body can use.
organ a group of tissues that work
together to carry out a certain function
tissue a group of cells that work together
Organs in the human body include
to carry out a certain function
the brain, eye, skin, tongue, kidney, liver,
Blood is a tissue. Blood carries
and lung.
nutrients, oxygen, and water to cells
throughout the body. It carries carbon
dioxide and other wastes away from
cells.
HUMAN BODY • SECTION 1 FROM CELLS TO SYSTEMS
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