Respiratory And Circulatory Systems Flashcards
1
Q
What is inspiration?
A
Moving air into the body
2
Q
Ventilation is the proccess of…
A
Moving oxygen over a respiratory surface
3
Q
To allow gas exchange, earthworms must live in a…
A
Damp Environment
4
Q
How is the tracheal system of the insect distinct from the respiratory surfaces of earthworms, fish and mammals?
A
Blood is not involved
5
Q
Water flows across the gills and blood flows…
A
In the opposite direction
6
Q
Breathing is regulated by a centre in the
A
Brain
7
Q
How do the diaphragm and rib muscles help with breathing?
A
Changing the air pressure in the thorax
8
Q
The pharynx is…
A
The area in the throat that is a passageway for both air and food
9
Q
The trachea is strengthend and held open by…
A
Loops of cartilage
10
Q
Each alveolus is surrounded by…
A
Capillaries
