The Components of Blood and Their Importance

Blood is a specialized fluid in your body that has four main components, each
with a different function: plasma, red blood cells, white blood cells, and platelets.
Watch this video to learn more about how these components work.

Respiratory system

Exploring the Heart - The Circulatory System!

Project: Digestive System/ Respiratory system/

Excretory System Parts and Functions Animation video for kids

Digestive System | The Dr. Binocs Show

Answer the questions or finish the sentences
1. What is the first stage of the digestion?
2.What is the function of the saliva?
3, What is the other name of the esophagus?
4. How long do the particles stay in the stomach?
5.  The small intestine transfer the particles to .................. ............ .................. ...........
5. The particles that do not absorb the small intestine go to ... ..................... ..............
6.  The large intestine sends the waste material ................ ....... ................ ...............

Excretory system Adriana

Digestive system- Word cloud

Word cloud made with WordItOut

The heart

Ramón y Cajal

Santiago Ramón y Cajal ( 1852 -- 1934) was a Spanish scientist whose meticulous drawings of stained nervous tissue confirmed the "neuron theory" - that is, that brain tissue was made up of individual cells (neurons), as opposed to a network of fibers (the reticular theory). For his invaluable work, Ramón y Cajal was awarded the Nobel Prize, shared with Camillo Golgi. 

Santiago Ramón y Cajal was something of a hell-raiser!  He was imprisoned at the age of 11 for blowing up a neighbor's garden with a homemade cannon. But he reformed, making use of his passion for drawing, and went on to win the Nobel Prize in 1906 for his beautiful work documenting golgi-stained nervous tissue - firmly establishing  the Neuron Theory.