gas exchange in insects Flashcards
1
Q
what are tracheae
A
microscopic air filled pipes used for gas exchange
2
Q
what are spiracles
A
pores on the surface where air moves in
3
Q
what do tracheoles have
A
thin permeable walls which go to individual cells
4
Q
where does oxygen diffuse to
A
the respiring cells
5
Q
what kind of movement do insects use
A
rhythmic abdominal movements
6
Q
sequence of gas exchange in insect
A
spiracles, tracheae, tracheloes, respiring cells
7
Q
what do insects do if they loose to much water
A
close their spiracles using muscle
8
Q
what reduces evaporation on an insect
A
waterproof waxy cuticle on body
tiny hairs around spiracles
