Match the description of a part of the respiratory system to its name. bronchi
1. air passages of the lungs
used for vocalization but also brings air in and out of the
2.
trachea
alveoli
3.
the smallest structure of the bronchial tree, where gases are
exchanged
larynx

yes. i think it is for sure.

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.