The Respiratory System - Pathway of Air

\-oxygen

What does the respiratory system allow animals to move into body tissues and remove carbon dioxide from cells?

\-cellular respiration

What is oxygen needed for?

\-cellular respiration

What is carbon dioxide a waste product of?

\-nose

\-pharynx

\-larynx

\-trachea

\-bronchi

\-bronchioles

\-alveoli

What is the pathway of air?

\-hair

What do the nasal passages have for filtration?

\-mucus

What do the nasal passges have to moisten the air?

\-blood vessels

What do the nasal passges have to warm the air?

\-no

Can you get any of these with mouth breathing?

\-protective voice box

The larynx are vocal cords placed in a…

\-the windpipe

What is the trachea also known as?

\-rings of cartilage

What is it held open by?

\-ciliated mucus membrane

What is the trachea lined with?

\-coughing reflex

What reflex does the trachea cause?

\-2

How many bronchi do we have?

\-yes

Do the bronchi also have rings of cartilage lined with ciliated mucus membrane?

\-naur

Do bronchioles have rings?

\-end of bronchi

\-lead to alveoli

What are bronchioles tiny tubes at the end of, and that lead to? (2 answers)

\-smooth muscle

What do bronchioles contain that can restrict air flow under certain conditions (ex. Asthma attack)?

\-gas exchange

What are alveoli the site of?

moist, thin-walled

The alveoli are … pockets which are the site for gas exchange.

\-slightly oily surfectant

What prevents the alveolar walls from collapsing and sticking together?