Structure and function of the ovum in the female reproductive system
The ovum (the egg cell) is the female reproductive cell in the female reproductive system, It is large (as sesame seed size) due to the storage of the nutrient materials.
Tagged: The nucleus
The movement of electrons around the nucleus and the energy levels
The movement of electrons The electrons are negatively (- ve) charged particles, They revolve around the nucleus with very high speed, The electron has a negligible mass relative to that of the proton or...
The atomic structure of the matter
The atom The atom is the fundamental building unit of the matter, and it is the smallest individual unit of the matter which can share in the chemical reactions, Boyle, Thomas, Rutherford and Bohr...
Animal Cell Guide 2026: Structure, Functions & Key Organelles You Must Know
The animal cell is the basic structural and functional unit of animals, responsible for carrying out essential life processes. Unlike plant cells, animal cells do not have a cell wall or chloroplasts, but they...