Archivo del Autor: mravagnan

Enzymes and digestion

Enzymes and digestion DIGESTION

Publicado en Senior 3 Biology - 2018 | Deja un comentario

S4 Virtual period: Male reproductive system

Let´s start to study reproduction. Living organisms reproduce sexualy or asexualy. Therefore, we say that there are two types of reproduction. Act: Use information from the text book to build a comparison table between sexual and asexual reproduction. Humans reproduce … Sigue leyendo

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

Control of body temperature: Heat loss and size

Read the article and explain the relationship between heat loss and animal size. http://c21.phas.ubc.ca/article/metabolism-heat-loss-and-size

Publicado en S4 Biology lab work 2018 | Deja un comentario

Drugs: effects of “paco” in the brain.

April 26th, 2018 Dr. Marcelo Cetkovich from INECO Foundation explains the effect of Paco in young children. https://www.lanacion.com.ar/2129141-un-especialista-explica-como-impacta-el-paco-en-el-cerebro

Publicado en News!, Senior 4 Biology - 2018 | Deja un comentario

Sex hormones and puberty

Sex hormones are responsible of the most dramatic changes that occur in the body. They control puberty, egg and sperm production, pregnancy, birth and lactation. Read the information about Puberty HERE. State the female and male hormones which are responsible … Sigue leyendo

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

ENZYMES

Enzymes are proteins that act as biological catalysts. Let´s learn more about enzymes.   Watch the video! Make sure to understand the meaning of the following key words: catalyst substrate product chemical reaction active site denaturation temperature Ph Line-graph – Independent … Sigue leyendo

Publicado en Senior 3 Biology - 2018 | Deja un comentario

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