Which not true The ancient Egyptians knew the importance of cleanliness The ancient Egyptians knew the importance of chemotherapy The ancient Egyptians knew the importance of convalescence?

The statement "The ancient Egyptians knew the importance of chemotherapy" is not true. While the ancient Egyptians had advanced medical practices and understood the importance of cleanliness and convalescence for healing, chemotherapy as a treatment for cancer was developed much later in the 20th century. Their medical knowledge included herbal remedies and surgical techniques, but it did not encompass modern cancer treatments.