Archivo mensual: marzo 2018

Biology virtual period: Reflex arcs

Read page 5 from HERE. Act: Answer the interactive question and post a scrrenshot with the answers. Film 2 examples which show reflex actions. (BE CAREFUL IN USING HOT OBJECTS! MIMICS ARE ACCEPTED!) For each example, name the structures involved: … Sigue leyendo

Publicado en S4 Biology virtual period- 2018 | Deja un comentario

The eye as a sense organ

STRUCTURE OF THE EYE Study the structure and functions of the human eye HERE, and complete pages 9 and 10 from the booklet. HOW WE SEE COLORS Watch the video! Booklet Act: COMPLETE questions 4 c and d on page … Sigue leyendo

Publicado en Senior 4 Biology - 2018 | Deja un comentario

Biology virtual period: Nervous system: neurones and synapse

Let´s start a new topic! All mammals have a CENTRAL NERVOUS SYSTEM and a PERIPHERAL NERVOUS SYSTEM. The CNS is made up of the brain and the spinal cord. The peripheral nervous system is made up of nerves and receptores. … Sigue leyendo

Publicado en S4 Biology virtual period- 2018 | Deja un comentario

Endocrine system: adrenaline and ADH

Let´s continue studying hormones… Study the effects of adrenaline and ADH after reading this link. Act: a- Use bullet points to summarise the effects of adrenaline. b- Describe 3 situations in which adrenaline is secreted. Post a picture to show … Sigue leyendo

Publicado en S4 Biology virtual period- 2018 | Deja un comentario

S4 Biology virtual period: Endocrine system: hormones and their effects

Read page 1 from THIS LINK Act: Define the term hormone   2. Where are the endocrine glands?      Read the descriptions of the glands and the hormones they produced here Act: Build a table to summarise the  hormones  each … Sigue leyendo

Publicado en S4 Biology virtual period- 2018 | Deja un comentario

Excretion and kidneys

Let´s revise the meaning of homeostasis   1- Write down 2 excretory organs and the substances they excrete. 2- Structure of the kidney. Read here! 3- The nephron Watch THIS animation to study the filtration and reabsorption.

Publicado en Senior 4 Biology - 2018 | Deja un comentario

Movement in and out of cells: diffusion, osmosis and active transport

Before we start… explain the meaning of the following terms: – solution – concentrated solution – diluted solution – distilled water Quick introduction: watch the video! Read page 3 from THIS WEBPAGE and play the animations.

Publicado en Senior 3 Biology - 2018, Uncategorized | Deja un comentario