Answer:
Skin is the largest organ and covers a surface area of 20 square feet.
Explanation:
Skin has three layers the epidermis, the dermis and the hypodermis. the epidermis is the outermost layer and provides a water-proof barrier. The dermis contains hair follicles, connective tissue and sweat glands. The hypodermis is the subcutaneous deeper layer made up of connective tissue and fat.
All of them are used in all sports.
Answer:
lymphatic system
Explanation: The lymphatic system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream.