The endocrine system.
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∙ 14y agoThe integumentary system contains hair, which is a structure made of keratin that grows from hair follicles in the skin. Hair serves various functions, including insulation, protection, and sensation.
The kidney is part of the urinary system, which consists of the kidneys, ureters, urinary bladder, and urethra.
The digestive system
None.
The muscular system contains muscles. These muscles are responsible for movement, posture, and generating heat for the body.
Hairs are produced within an organ called the hair follicle, which is located in the dermis layer of the skin. Each hair follicle contains the necessary structures for hair growth, such as the root, bulb, and papilla.
The integumentary system (which also includes hair and nails).Integumentary System
The integumentary system is the largest organ in the human body. It contains the skin, hair, and nails.
Root organ contains root hair tissues
The genitourinary system.
The digestive system contains the liver.
Circulatory System
The digestive system contains the small intestine. It is a vital organ for nutrient absorption in the body.
Digestive system.
the digestive system
skeletal system
Circulatory System.
The olfactory system.