Question

fill in the blank question
a high level of in the blood causes the yellowish cast in the skin known as jaundice.

Explanation:

Jaundice is a condition related to the liver and bilirubin metabolism. Bilirubin is a yellow pigment, and when its level in the blood is high, it causes the skin and eyes to appear yellow. This is a concept in the field of Medicine and Health (a subfield of Natural Science) related to human physiology and pathology.

Answer:

bilirubin