gas exchange

Question 1

what is the name of an insects exoskeleton and how is it adapted

Answer 1

chitin- reduce water loss

Question 2

what is a spiracle? (insects)

Answer 2

valve like openings, running along the length of the abdomen.

Question 3

adaptions for quick gas exchange

Answer 3

large surface area, thin walls, steep concentration gradient.

Question 4

plant adaptions for gas exchange

Answer 4

intracellular airspaces to facilitate diffusion
stomata for gas exchange

Question 5

role of tracheae and tracheoles

Answer 5

deliver oxygen directly to cells

Question 6

human respiratory system:

Answer 6

trachea, bronchi, bronchioles, alveoli

Question 7

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