There are exchanges that happen continuously in our bodies. One exchange is the gas exchange, or respiratory, system. This is the system where carbon dioxide is released from the lungs into the air, and oxygen is taken into the lungs from the air. This exchange happens in the air sacs of the lungs called the alveoli.
Answer:
option A
Explanation:
The correct answer is option A
Plants convert sunlight into chemical energy.
Photosynthesis is a process that is used to convert sunlight into chemical energy using protons and electron from the water.
Sunlight is used by the plants to convert the water and carbon dioxide into energy-rich sugar known as glucose.
