Within the Umbilical Cord, _____ _________ Carry Deoxygenated Fetal Blood

question 5

Short Answer

Within the umbilical cord, _____ _________ carry deoxygenated fetal blood to the placenta.

---

Definitions:

Critical Periods

Times during which certain environmental influences can have an impact on the development of the infant.

Development

The process of growth or progress in any entity, often involving evolutionary expansion or advancement.

Conjoined Twins

Twins that are physically connected to one another at birth, resulting from the incomplete separation of twin embryos during pregnancy.

Fertilization

The process in sexual reproduction where a sperm cell unites with an egg cell, leading to the formation of a zygote.