There is external and internal so I'll list th external. The most important is skin then mucus, sweat or secretion, hair, nails and tears which are all part of the integumentary. Some internal defenses are white blood cells and T cells.
Answer:
Chlorophast allows plants to capture the energy of the sun.
The inputs all plants need to carry out photosynthesis are water(H2O) + carbon dioxide (CO2) + sunlight
1st image I think would be the answer
