(i) Why do frogs use their lungs as well as skin for breathing?
(ii) How do plant roots take in oxygen?
Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM
(i) On land, frogs use their lungs to breathe, but there are no ribs or diaphragm to support breathing. The skin of a frog is permeable to oxygen, carbon dioxide and water. There are a number of blood vessels near the surface of the skin. So, when a frog is underwater, oxygen is transmitted through the skin directly into the bloodstream.
(ii) Roots take up air from the air spaces present between the soil particles.
Answered by | 4th Jun, 2014, 03:23: PM
- A potted plant may die if it is over waterde.Give reasons.
- When we sleep does our breathing rate slow down? If yes then why
- How do snakes respire?
- Explain the breathing mechanism in insects.
- How do earthworms breathe?
- (i) How do dolphins breathe?(ii) Do snails have lungs for respiration? How do they breathe?
- Do snails have lungs for respiration? How do they breathe?
- (i) How do plants respire?(ii) If a potted plant is over-watered for a long time, then the plant may die. Give reason.
- If a potted plant is over-watered for a long time, then the plant may die. Give reason.
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number