CBSE Class Notes Online – Classnotes123
CBSE Class Notes, Worksheets, Question Answers, Diagrams , Definitions , Diffrence between , Maths Concepts, Science Facts Online – Classnotes123
Basic Concepts of Science explained with their definition, Mechanism, structure, location, significances, functions ,uses explained with examples , diagrams and experiments.
Sunken Stomata explained in Details with definition, location, structure functions examples and diagram
Sunken Stomata Read More
Difference and Similarities between Mitosis in Plant and Animal Cell explained in Details with all phases ,location , chromosomes organization, cytokinesis, center of division , hormones etc
Mitosis In Plant Cell and Animal Cell- Differences and Similarities Read More
Structure of Placenta explained with The Maternal Side of Placenta ,The Fetal Side of Placenta and 10 important layers and structures of the placenta
Structure Of The Placenta Read More
9 Important Functions of Placenta – Transfers Nutrients ,Transfers Oxygen , Removes Waste, Produce Hormones, Regulates Mothers Immune System, Controls the Exchange of Substances between the Mother and Fetus, Regulates the Blood Flow, Regulates Temperature, Metabolic functions
Functions of Placenta Read More
Mitosis and Meiosis – 5 Stages of Mitosis ,5 Stages of Meiosis 1, 4 Stages of Meiosis 2 explained with diagram
Mitosis and Meiosis Read More
Oxygenated and Deoxygenated blood is necessary to ensure that the body’s cells receive an adequate supply of oxygen, maintain proper circulatory function, and regulate blood pressure.
Why is it Necessary to separate Oxygenated and Deoxygenated Blood in Mammal and Birds ? Read More
Xylem and Phloem
9 Important Functions of Xylem
Transport of water and nutrients, Structural support, Protection against environmental stress, Storage of carbohydrates, Water storage, Gas exchange, Thermoregulation, Communication within the plant,Protection
8 Important Functions of Phloem
Nutrient transport , Water Balance, Pressure-driven transport, Coordinated transport, Transportation of hormones, Protection against herbivores and Pathogens, Plant growth, Pollinator attraction
12 Important Functions of Blood Plasma- Transport Nutrients, Transports Waste Products, Maintains Electrolyte Balance, Regulates Body Temperature, Maintains Blood pressure, Regulates pH Balance, Maintains Osmotic Pressure, Blood Clotting, Immunity
12 Important Functions of Blood Plasma Read More
13 Important Function of Heart
Pumps blood , Oxygenating Blood, Provides Oxygen and Nutrients, Maintains Blood Flow, Regulates Blood Pressure, Controls Heart Rate, Produce Hormones, Removes Waste Products , Regulates Body Temperature , Regulates Electrolyte Balance, Maintains Homeostasis, Produces Electrical Signals , Protects Against Infection
Lymph is a colorless fluid that flows through the lymphatic system, playing a critical role in our body’s defense against infections and diseases while maintaining fluid balance. Its composition consists of fluid, cellular and nutrient components, with water, electrolytes, proteins, glucose, amino acids, and waste products being major constituents. The cellular composition includes lymphocytes, macrophages, natural killer cells, dendritic cells, and plasma cells, all of which contribute to the immune response.
Composition of the Lymph Read More