Phospholipids (lipid bilayer)
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.
During swallowing, the air passageway of the phaynx is covered by the epiglottis
Answer:
false
Explanation:
because it is not the correct answer for this question
Observation is where you observe something and inference is the facts of information about the object
