Explain how the respiratory system works in detail: air travels through the nose/mouth, down the trachea, into bronchi and bronchioles, reaching tiny air sacs (alveoli) in the lungs where oxygen passes into the blood and carbon dioxide pas…
A first look
This shelf is still being planted — the questions are being written and checked. Come back soon. A Skill needs at least 5 checked questions before it opens here.
Question 1 of 3
When Maya takes a deep breath before her soccer game, the air moves through several parts of her body before reaching the tiny air sacs where gas exchange happens. Which sequence correctly shows the order the air travels?
Question 2 of 3
After climbing the playground rope ladder, Jenna feels a little out of breath. Inside her lungs, the tiny air sacs called alveoli are where the gases are exchanged. Which sentence correctly tells what happens to the gases in the alveoli?
Question 3 of 3
When air reaches the tiny air sacs (alveoli) in the lungs, which statement correctly describes what happens to the gases?
Be first to know when it opens
A free account shows every Skill on the map as it opens — and practises the 23 The Human Body Skills that are ready today. Every student account needs a parent's email first.