Answer:
The upper respiratory system includes the nasal cavity (nose), the pharynx and larynx.
Explanation:
Air enters the body through the nose or mouth, this moistens and warms the air that enters since cold dry air will irritate the lungs. The air then travels down the voice box and down the windpipe.
Answer:
37.2 trillion cells
Explanation:
Each cell has their own structure and function. This allows them to duplicate its contents and chromosomes and split into 2 to produce another cell during mitosis
Answer:
D
Explanation:
bc he shoves her and that's not supposed to happen between a couple
