Cells
PLANTS CELLS They have nucleus ,chromosome , cell membrane ,cell wall ,cytoplasm,chloroplast, vacuole and mitocondrias
In 1665,Robert Hooke,an English scientist,observed a layer of cork through a microscope.
Others help animals digest food.
Still others help make food!
Cheese and yogurt are foods that form when certain bacteria mix with milk.
Single-Celled Organisms
Many of these single-celled organisms are helpful.
Some enrich the soil by breaking down dead plants and animals.
click to edit
click to edit
click to edit
The núcleos directs the cell
click to edit
Cells chromosome : contamina information about the cell
A cell is the basic unit of structure and function in living things.
Most cells are microscopic they can be seen only with a microscope.
Cells form a ...
epithelial tissue
muscle tissue
connective tissue
nervous tissue
Cell membrane : Holds a cell together and separatas ir from it's surrounding
several kinds of tissue form an ...
organ
Cell Wall : supports and protects a planta cell
organs working together form a ...
click to edit
Cytoplasm: a jelly like substance containing chemical that helps the cell stay healthy
click to edit
click to edit
organ system
Chloroplast: makes food forma the cell
there are 10 major organ systems that are ...
Vacuole: stores ,food ,water,ir wastes
Mitocondria: relase energy from nutrients
DIGESTIVE
RESPIRATORY
EXCRETORY
LYMPHATIC
NERVOUS
MUSCULAR
REPRODUCTIVE
CIRCULATORY
ENDOCRINE
SKELETAL
)
the liquid part of blood ,called plasma