Posts

Showing posts from August, 2016

Sciencetoon - Function of ethylene hormone :)

Image

Plant hormones video

Control And Coordination notes - Endocrine system in Animals , Coordination in plants

Need for Endocrine System/ Chemical communication      Chemical communication by hormones is needed because of  limitations of electrical          communication: (i) Electrical impulses have their limitations because they reach only those cells connected       to the nervous tissue. (ii) Also the nerve cells cannot generate & transmit impulses continuously. They need resting           time.   Chemical communication  also has a  disadvantage  : It is slower communication as compared to      electrical communication. ENDOCRINE SYSTEM IN ANIMALS Endocrine System helps in control and coordination through chemical compounds called HORMONES ˜  Hormones :  These are the chemical messengers secreted by endocrine glands, in very small amounts, into the blood stream. They act on target ...

Human endocrine system- different glands

Image

Syllabus for 2nd Unit Test

Chapter Life processes- Respiration, Circulation, Excretion Chapter Control & Coordination- Neuron, Synapse, Types of responses(till Human brain excluding it)

Human brain and its parts video

Class X- B FA2 Poster making Activity

Year 2016 has been declared as 'International Year of pulses'.. So as a part of Science FA 2 poster making activity, students of class XB have to make posters in pairs. Use A3 size white cartridge sheet and make a poster on any one aspect related to pulses (as listed below) (You may present your topic using drawings, write main points neatly using stencils)   Make a border around your poster. Submit your poster on 9th-10th august positively. You may select any of the aspect of pulses... Ex : Nutritional value of pulses,  Need to consume pulses, Who all require a protein rich diet?,  Diseases caused due to protein deficiency,  Unhealthy Food choices( pizzas, burgers, etc) of children these days- lacking in proteins Designing the pulse based protein rich menu for your school canteen. Diseases in which proteins should not be consumed/ consumed in limited amounts,  Pulse crops as a natural fertiliser-Role of  Rhizobium bacteria,...

video illustrating neuron and synapse