Osteon
Arm Muscles
The arm is composed of several major muscles that work together to enable movement of the upper limb. Here are the major arm muscles with a brief description: Biceps brachii: This muscle is located on…
Chicken Egg
Here is a brief description of the parts of a chicken egg as labeled in a typical diagram: Shell: The outermost layer of the egg that provides protection to the developing embryo. Shell membranes: Two…
Human Thoracic Cage
The human thoracic cage, also known as the rib cage, is a bony structure that protects the organs of the chest, including the heart and lungs. Here is a brief description of the parts of…
Sperm Cell
A sperm cell is a male reproductive cell or gamete that is produced in the testes. It is designed to fertilize an egg cell and is characterized by a distinctive structure that allows it to…