Over a million students use our free study notes to help them with their homework
Synapse
Sensory, Motor and Relay neurones
The brain and the spinal cord
Osmosis is the diffusion of water from a dilute solution to a concentrated solution across a partially permeable membrane.
Terms: Diffusion (the net movement of particles from a high to a...
There are a number of reasons why it is necessary to open and close the air vents. These include; allowing oxygen in, which is also necessary for respiration and allowing heat to escape. Closing the ai...
←
382
383
384
385
386
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
