| Transport of materials in Xylem | Transport of materials in phloem |
| Xylem tissue helps in the transport of water and minerals. | Phloem tissue helps in the transport of food |
| Water is transported upwards from roots to all other plant parts. | Food is transported in both upward and downward directions. |
Answered by Vishal kumar | 1 year ago
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
Describe double circulation of blood in human beings. Why is it necessary?
What would be the consequences of a deficiency of haemoglobin in our bodies?
How are the alveoli designed to maximize the exchange of gases?