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CHCS~Life Science
3B~2017~7th~
cells | a living structure/little rooms |
size of white blood cells | average |
each drop of human blood (cells) | 130 million cells |
human body (cells) | 60 trillion cells |
some cells | are specialized and perform special functions |
Robert Hooke | the first person to use the word cell |
cytoplasm | the thick substance cells have |
scientific observations were made | after several years before the accepted the cell theory |
All cells come from | preexisting cells |
All living things are made of | cells and the product of cells |
The functions of living things | are performed by the cells they are made of |
cells from parents | join together to produce embroy |
Cells__________&___________ to produce more cells | grow divide/which develop into parts of the body |
Fingernails,toenails,hair are made of | skin cells |
All cells use (A) | energy |
All cells (B) | manufacture materials |
All cells respond (c) | to their environment |
All cells (D) | reproduce themselves |
(A) when cells stop working they | die |
(b) cells make material | inside of them |
(b) Produce wast materials | during activities |
(C) cells live through | changing enviorment |
(C) some cells are extremely | sensitive |