The function of the respiratory system is to move two gases: oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them
Answer:a MONOCOT
Explanation: Monocots are plants with one cotyledons in their seeds.monocots are flowery plant ,which makes them angiosperms.
Dicots are also angiosperms but they contain two cotyledons in their seeds.
Monocots have parallel venation-the vascular bundles runs down the leaf singly and do not branch.
These leaves of Monocots are alternately arranged on the stem.
The petals of Monocots flowers are arranged in groups of three's.
The pollen grain of Monocots are pollen grains of monocots are monosulcate.the pollen grains have a single slit, which opens to allow the the growth of the pollen tube during fertilization .