BIOLOGÍA Y GEOLOGÍA - BIOLOGY AND GEOLOGY

The nervous system: is made up of the central nervous system (CNS) and the peripheral nervous system (PNS).   Central nervous system   Practice: activity. https://es.educaplay.com/recursos-educativos/5094636-the_nervous_system.html Encephalon  Nerve impulses are transmitted across a synapse.  The endocrine system.

Human have 5 senses: smell, touch, taste, hearing and sight.   Hearing.            Practise: test.  Sight .                         Practise: crossword.  Smell .    Taste .    The touch and the skin.

Practica:  Clasificación de los animales:  https://es.educaplay.com/recursos-educativos/5078039-los_animales.html  Características generales de los animales:  https://es.educaplay.com/recursos-educativos/5078051-los_animales.html  La nutrición en los animales:  https://es.educaplay.com/recursos-educativos/5078065-animales.html Test .

Darwin and natural selection: 

Introduction : Sense organs are receptors which perceive stimulus from the environment and send signals to the coordination system (nervous system), that interprets the information for executing a response carried out by the effectors (muscles and glands). Learn more about the nervous system: 

Basic unit of the kidneys: the nephron.   What causes kidneys stones? Causes. How to prevent them.

Se ofrece la posibilidad de subir hasta 0,5 puntos a la nota final realizando correctamente las fichas de los siguientes libros: 1º ESO: `El hombre que plantaba árboles´ 3º ESO: `Miriam es anoréxica´ Plazo máximo de entrega: 20 de abril de 2020.

For watching the explanation of the lymphatic system click here.

1. Recombinant DNA technology.     Aim: Providing an organism with a new trait.   How to create recombinant DNA.   Example of application of the recombinant DNA technology: obtaining medicines.  2. PCR.     Aim: Obtaining a lot of copies of a segment of DNA. 3. DNA sequencing.     Aim: determining the order of the bases of the DNA. 4. Cloning.      Aim: obtaining identical copies of a molecule, a cell or an organism.     There are two types of cloning: reproductive and therapeutic.