LA ORGANIZACIÓN DEL CUERPO HUMANO

3º ESO “Biología y Geología”SECCIONES EUROPEAS

IES “IZPISÚA BELMONTE”Profesora: Milagros López

García

Recuerda

Todos los seres vivos están constituidos por CÉLULAS. La célula es la unidad mínima dotada de vida.

“Es la unidad estructural, funcional y genética de todos los seres vivos” (Teoría celular)

Remember

The cell is the unit of organization of living beings and what makes them work. The cell is the smallest living unit.

“The cell is the fundamental unit of structure and function in living organisms. All cells arise from pre-existing cells by division” (Cell theory)

Remember

Las células realizan las tres funciones vitales: se nutren, se relacionan con el medio y se reproducen.

“Cells carry out three vital functions: nutrition, interaction and reproduction”

Remember

There are two types of cells:• Prokaryotic cells: Bacteria• Eukaryotic cells: Algae, Protozoa,

Fungus, Plants and Animals

Review

All living beings are made from cells. Unicellular organisms are made from one cell. Multicellular organisms are made from many cells.

Remember

We are multicellular and eukaryotic organisms.

Remember

CELL STRUCTUREMost cells contain:o a nucleus to control cello a thin membrane to control what

goes in and out of the cello a liquid cytoplasm where chemical reactions happen

SPECIALISED CELLS“Multicellular organisms are made of

different types of cell. Each type of cell has its own function and is adapted to carry out this function”

ESPECIALIZACIÓN CELULARLos organismos pluricelulares están

formados por diferentes tipos de células. Cada tipo celular está adaptado a realizar una función concreta en la que se especializan.

DIFFERENT HUMAN CELLS

NIVELES DE ORGANIZACIÓN EN EL CUERPO HUMANO

• Células: Unidad estructural de todo ser vivo

• Tejidos :Conjunto de células del mismo tipo especializadas en una función determinada

• Órganos: Conjunto de diferentes tejidos que desempeñan una función concreta

• Aparatos o sistemas: Conjunto de varios órganos cuyas funciones coordinadas realizan una función mayor.

• Organismo: Conjunto de todos los aparatos o sistemas.

LEVELS OF ORGANIZATION IN HUMAN BODY

• Cells are the building blocks of all living organisms.

• A tissue is a group of similar specialised cells working together.

• An organ is made from different tissues working together

• An organ system is a group of organs working together

• A living organism is a group of organ systems working together.

DIGESTIVE SYSTEM

RESPIRATORY SYSTEM

CIRCULATORY SYSTEM

EXCRETORY SYSTEM

NERVOUS SYSTEM

ENDOCRINE SYSTEM

LOCOMOTIVE SYSTEM

SENSE ORGANS

REPRODUCTIVE SYSTEM