Question

State true or false.....
1.both oxygen and carbon dioxide can diffuse through the blood.(. )
2.breathing is a chemical process.(. )
3.lungs are present only in humans. (. )
4.frogs breathe the help of skin and lungs. (. )
5.food is incompletely oxidised in aerobic respiration.(. )

Answer 1

Answer:

1. false

2. false

3. false

4. true

5. false

Answer 2

1. true
2. true false
3. true false false
4. true false false true
5. true hope this will help you