The answer is "Groundwater"
Answer: Vena cava also know as (SVC).
Explanation: Blood provides oxygen and nutrients to the body and removes carbon dioxide and wastes. Oxygen-poor blood returns from the body to the heart through the superior vena cava also know as (SVC) and also inferior vena cava (IVC), these are the two main veins that bring blood back to the heart.
IT IS BISEXUAL SINCE IT HAS BOTH MALE AND FEMALE PARTS
A balanced diet should cover the needs. Iron is mainly present in meat.
Iron needs vary according to sex, age, and physiological status. The recommended dietary intakes are 9 mg per day for men and women breastfeeding and menopausal, 16 mg for women and 25 mg for pregnant women.
Peter had 10.8mg of iron, so yes it is enough for his needs.
