The structure in the female reproductive system that produces eggs is the: MCQ with Answer and Explanation

Explanation:
The pleural cavity between the visceral and parietal pleura contains a thin layer of pleural fluid, lubricating the surfaces to reduce friction during lung expansion and contraction. Synovial fluid is in joints, cerebrospinal fluid surrounds the CNS, lymph is in the lymphatic system. Pleural effusion is excess accumulation.

Explanation:
Iron (Fe²⁺) is a central component of the heme group in hemoglobin, enabling oxygen binding. Deficiency leads to iron-deficiency anemia, characterized by fatigue, pallor, and reduced oxygen-carrying capacity. Calcium is for bones and clotting, magnesium is a cofactor and in chlorophyll, potassium is for nerve impulses. Iron is obtained from diet (meat, leafy greens).

Explanation:
Oleic acid is a monounsaturated fatty acid (one double bond), found in olive oil. Stearic acid is saturated, linoleic acid is polyunsaturated (two double bonds), linolenic acid is polyunsaturated (three double bonds). Unsaturated fats are generally liquid at room temperature and healthier for the heart. Oleic acid is an omega-9 fatty acid.