(PART - 1) The human body is an incredibly complex organism, consisting of several interdependent systems that work together to ensure our survival, growth, and overall well-being

1. Circulatory System (Cardiovascular System)

   Function: 

• The circulatory system is responsible for transporting oxygen, nutrients, hormones, and waste products throughout the body. It also plays a key role in maintaining body temperature and pH balance.

   Major Components: 

     Heart: 

• The pump that drives blood through the circulatory system.

     Blood Vessels: 

• Arteries, veins, and capillaries that carry blood to and from the heart and various tissues.

     Blood: 

• The medium that carries cells, nutrients, gases, and wastes.

   Key Processes: 

• Blood circulation, gas exchange, nutrient delivery, and waste removal.