Answer:
try (
−
4
,
∞
)
Step-by-step explanation:
Answer:
The epiglottis!
Step-by-step explanation:
it's a small flap of tissues that sits over top of the trachea. the flap covers the air only passage when we swallow! it keeps food and liquid from going into the lungs.
Answer:
This would be graph A
Step-by-step explanation:
x = 2 means that it is a vertical ( up and down) line
It is a x=2
This would be graph A