The amnion is a transparent sac filled with a colorless fluid that serves as a protective cushion during embryonic development .
An egg yolk is the part of an egg which serves as the food source for the developing embryo inside.
your skull
reproduction, gets rid of waste and nurishes
Most reptiles reproduce sexually although some species reproduce asexually. Upon fertilization, the embryo develops inside an egg with a calcaeous shell. This egg serves to protect the embryo, prevents drying out of the amniotic layer, and allows for efficient gas exchange.
The proper scientific name for egg white is albumen. It is the clear liquid found inside the egg shell and serves to protect the yolk and provide nutrients for the developing embryo.
The lining of the uterus serves as a protection for the growing fetus.
because it serves their own habitat and most of all it gives protection to any other species.
cocoon
That which serves for protection or shelter in winter; winter quarters; as, the hibernacle of an animal or a plant.
Endoplasmic Retticulum
It is performed inside the hall and serves as a tribute to the king and his ancestors.
cell wall