Answer:
Mucus is a liquid in your body and it protect you from pathogens
Explanation:
That is all up to ones opinion no one really knows because no one that is living now was alive then all we can go by is secondary sources to let us know
It is the Foramen Ovale. The foramen ovale is a little gap situated in the septum between the two upper councils of the heart. The foramen ovale is utilized amid fetal dissemination to accelerate the go of blood through the heart.
The one fatal cardiac shunts, the other being the ductus arteriosus. Another comparative adjustment in the embryo is the ductus venous. In many people, the foramen ovale closes during childbirth.
The answer is D, the larynx lifts