Question

9. Which of the following is used in exchange of gases by organisms? (1 Point) Lungs Spiracles Skin All the above​

Answer 1

Answer:

(d) all of the above

Lungs in most mammals, eg humans

Spiracles in insects, etc

Skin in frogs, etc

Answer 2

Answer:

d) all of the above

example:-

1. human use lungs
2. insects use their spiracles
3. frogs use skin when they are in water