The Color of the Eye Is Predicated on the Amount

question 59

Multiple Choice

The color of the eye is predicated on the amount of ____ present in the iris.  

• A) enzyme
• B) protein
• C) melanin
• D) salts
• E) lipids

---

Definitions:

Saphenous Vein

A long vein that runs along the length of the leg, important for surgical procedures such as bypass operations and varicose vein treatment.

Popliteal Vein

A blood vessel situated at the back of the knee which transports blood from the lower leg to the femoral vein.

External Iliac Vein

A large vein that carries deoxygenated blood from the lower limbs to the common iliac vein.

Femoral Vein

A large vein in the thigh that carries deoxygenated blood from the lower limb back to the heart.