Archivo de la categoría: Biology

Biology Virtual Period – Female Reproductive System

Task Fertilisation: What is fertilisation? Fertilisation is the process of the male and female gametes to form a zygote. In our case (humans) the male gamete has to fertilize the female gamete. Where does it take place? It takes place … Sigue leyendo

Publicado en 4AC2018, Biology | 1 comentario

Biology Virtual Period – Male reproductive system

Task   1) Sexual reproduction: ♦Definition: The process involving the fusion of haploid nuclei toto form a diploid zygote and the production if genetically dissimilar offspring. ♦Use o reproductive organs ♦ Gamete occurs ♦The offspring produced possess new characters ♦ … Sigue leyendo

Publicado en 4AC2018, Biology | 2 comentarios

Virtual Period – Sex hormones and puberty

Activity 2) In girls, oestrogen and progesterone is produced, and these cause the secondary characteristics. In boys, testes produces testosterone which begins the development of secondary sexual characteristics. 3)  4) FSH: Stimulates the follicles tp produce eggs. LH: In males it produces … Sigue leyendo

Publicado en 4AC2018, Biology | 1 comentario

Biology virtual period – Reflex arcs

Act:    

Publicado en 4AC2018, Biology | 1 comentario

Biology virtual period – Nervous system: neurones and synapse

The structure of th neuron is related to its function because with the Dendrites, it receives the wave of signals and then to the Axon (and its Schwann cells) and finally to the terminal, here, the isignals are transmitted to … Sigue leyendo

Publicado en 4AC2018, Biology | 1 comentario

Biology Virtual Period – Endocrine system: Adrenaline and ADH

1. a.  -Raises blood sugar levels by stimulating the liver to change glycogen into glucose -Causes fatty tissue to release fat into the blood -Increases the heart rate -Reduces blood flow to the skin and the intestines -Increases blood flow to the … Sigue leyendo

Publicado en 4AC2018, Biology | 1 comentario