Human Bio

The human body comprises several systems that work collaboratively to maintain overall health and function. Here are the primary systems:

Circulatory System: Comprises the heart, blood, and blood vessels, responsible for transporting oxygen, nutrients, hormones, and waste products throughout the body.
Respiratory System: Involves the lungs and airways, facilitating the exchange of oxygen and carbon dioxide between the body and the environment.
Digestive System: Composed of the mouth, esophagus, stomach, intestines, and other organs involved in the breakdown of food, absorption of nutrients, and elimination of waste.
Nervous System: Includes the brain, spinal cord, and nerves, controlling body functions and responding to internal and external stimuli through electrical signals.
Muscular System: Consists of muscles that enable movement, maintain posture, and produce heat through muscle contractions.
Skeletal System: Made up of bones and cartilage, providing structure to the body, protecting internal organs, and facilitating movement along with muscles.
Endocrine System: Comprises glands that secrete hormones to regulate processes such as metabolism, growth, and sexual development.
Immune System: A network of cells, tissues, and organs that work together to defend against pathogens and diseases.
Integumentary System: Includes the skin, hair, and nails, serving as a protective barrier, regulating temperature, and sensing external stimuli.
Reproductive System: Involves the organs responsible for producing offspring and maintaining reproductive health.