Gas exchangeis the delivery of oxygen, so im guessing it takes place in the bloodstream
In arabidopsis, a mutation causing the b-class genes to be non-functional will result in the organ identity of the four whorls to be; Sepal, sepal, Carpel, carpel. Arabidopsis is an angiosperm, a dicot from the mustard family Brassicaceae. It is widely used as a model organism in plant biology. It offers important advantages for basic research in genetics and molecular biology.
Answer:
capillary
Explanation:
you should draw a capillary to show where gas exchange is occuring
