Plants and animals both respire. Compare and contrast the pathway of oxygen (O2) through the organism from the outside air to the cell in which it is being used, trace the path in one animal of your choice and one plant.
In Animal air pathways : Human
The respiratory system starts at the nose and mouth and continues through the airways and the lungs. Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx,Bronchi,broncheols and finally reached to lungs alveoli.
This blood goes to heart and pumped by heart reached to cell via blood vessels.
In plant air pathways:
The leaves of plants have tiny pores on their surface which are called stomata. The exchange of gases in the leaves during respiration takes place through stomata. ... This oxygen is used in respiration in cells of the leaf. The carbon dioxide produced during diffuses out from the leaf into the air through same stomata.
Get Answers For Free
Most questions answered within 1 hours.