Answer:
owo i tried
Explanation:
B.
C.
need the attachment
still need the attachment
A.
D.
i dont remebr
A.
A.
C.
srry if im wrong!
Answer:c) reduced stress about stds
Explanation:
Answer:
Walls are thin.
Inner surface is moist.
Tissues are filled with blood vessels.
Exposed to air
Explanation:
Answer:
Cartilage rings of trachea have protective role
Explanation:
Trachea is a tube, part of the respiratory system, which allows the passage of the air: from larynx to lungs (primary bronchi). It is enveloped with cartilage rings that prevent collapse of the trachea when there is no air. The cartilage "rings" are C-shaped, except one full ring-shaped - the cricoid cartilage which attaches trachea to the larynx.