When you breathe, oxygen goes into your _______ (oral cavity) and nose (nasal cavity). Then oxygen heads down the _______. Next oxygen will then head to the voice box also known as the _______
Word Bank:
larynx
pharynx
mouth
Question 6
6.
After coming form the larynx, oxygen then heads into your _______. The windpipe is also known as the _______. The trachea has _______ that move back and forth as someone talks or _______. The trachea is guiding fresh oxygen to the _______.
Word bank:
rings
trachea
sings
lungs
windpipe
Question 3
3.
Gas exchange occurs at the site of the
Question 4
4.
Word Bank:
alveoli
bronchi
right
lungs
bronchioles
The trachea splits into a pair of _______. There is a left and _______ one. The bronchi branch into smaller _______. They are inside of your _______ where oxygen has to eventually go. Bronchioles divide into smaller _______.
Question 2
2.
Lungs contract and expand and are controlled by the
Question 10
10.
Energy comes from __________, which is a simple sugar we get from food. Glucose is taken into the bloodstream and into cells to produce ATP by the mitochondria.
Question 8
8.
Alveoli are _______ air _______ in the lungs that are _______ by tiny blood _______.
Word Bank:
vessels
microscopic
sacs
surrounded
Question 17
17.
Word Bank:
vessels
dioxide
alveoli
oxygen
When we breathe, _______ diffuses out of the alveoli into the blood _______. Carbon _______ moves (diffuses) from the blood to the _______.
Question 16
16.
Diffusion is when gas particles, like oxygen or carbon dioxide, move from
Question 14
14.
Diffusion can occur through a membrane if the particles are ______ to get through it.
Question 12
12.
The walls of _______ have membranes too. Oxygen and carbon dioxide can _______ through it.
