(Pause at 2:09)
How did humans evolve from fish to become land animals? (2-3 sentences)
(Pause at 3:52)
Why can't we just use simple diffusion to get oxygen into our bodies to survive?
(Pause at 4:36)
What is bulk flow and why is it necessary?
Definition of "bulk": in large quantities.
(Pause at 5:36)
How do the diaphram and the lungs work together to breathe?
(Pause at 6:50) What is the purpose of the epiglottis?
(Pause at 8:05)
What happens at the alveloi? How do the circulatory system and the respiratory system interact?
Exit Ticket.
After the video:
Sequence the steps of breathing in the repiratory system. In what order does oxygen travel?
Tertiary Bronchi
Trachea
Nasal Cavity
Alveiolar Duct
Nostril
Pharynx
Primary Bronchi
Secondary Bronchi
Alveioli