The human body’s digestive system processes food and absorbs nutrients to fuel bodily functions.

The average adult human has about 5 million hair follicles, distributed across the body.

The human body has a built-in defense mechanism known as the immune system that protects against diseases and infections.

The human body’s circulatory system includes arteries, veins, and capillaries that transport blood throughout the body.

Human teeth are as unique as fingerprints and have different structures and functions for chewing and biting.

The sense of hearing is sensitive to a wide range of frequencies, from very low to very high pitches.

The human body can adjust to different altitudes by producing more red blood cells to carry oxygen.

The human body produces about 1.5 liters of saliva per day, which aids in digestion and oral health.

The human heart is roughly the size of a fist and pumps blood throughout the body.

The average human has about 5-6 liters of blood, which accounts for about 7-8% of body weight.