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Why is a nuclear membrane semi permeable?
To keep certain things where they are: Keep inside the essential parts of the cell; keep outside things that don't belong. To let certain things pass through: Let waste products out; let nutrition and oxygen in.
What does the plant cell membrane let through?
Water, oxygen, co2
Why goldfish dead without oxygen pump?
Yes, that's why they have their gills they take in the water and breath in the oxygen, through the water, and let go of the water through their gills
How does Oxygen and carbon dioxide diffuse in and out of a leaf through the?
leaves have pores on there underside that allow carbon dioxide in and let oxygen out
Oxygen waste gas are exchanged through this system?
Yah suppose to have the answers gosh not let anyone answer them
What are the steps in oxygen cycle?
The steps of the Oxygen Cycle are 1. A plant does Photosynthesis to let off Oxygen for organisms to use. 2.The humans use up the Oxygen through Respiration and let off Carbon Dioxide. 3. The Carbon Dioxide is then passed from the humans to the green plants once again. Then it repeats.
Do amphibians breathe with lungs or gill?
When amphibians are young, such as tadpoles, they breath using gills and spiracle. When they metamorphose and reach their adult state they start to breathe air out of lungs. Adult amphibians respire (take in oxygen and let out carbon dioxide) through the skin. They also have other organs of respiration, including gills in the young of all species and the adults of some species, and lungs in the adults of almost all species. Some amphibians can also respire through the mucous membranes of the mouth. Extra note: I have not found evidence of any animal that has both lungs and gills at the same time.
How does oxygen leave a plant and go out into the atmosphere?
Oxygen exits the plant through the stomata. Water vapors also exits through the stomata.
Do plants keep us alive?
Yes, because plants go through a process called photosynthesis. When plants go through this process, they let out oxygen.
How animals other than mammals obtain their oxygen?
any animal that is on land at some point in its life obtain oxygen the same exact way we do. the only animal that obtains oxygen in a different way is the fish and it obtains its oxygen by filtering the water it swims through between its gills.
Does carbon monoxide reduce the amount of oxygen the blood cells carry?
It binds with them the same way oxygen should, but it won't let go. That means that oxygen is no longer capable of binding with the blood cells. That means that although one breathes oxygen, one does not get the oxygen through the body.
How does a sponge take in oxygen and let out carbon dioxide?
moving ocean water carries food and oxygen through the sponges pores and the sponge removes food and oxygen form the water and at the same time carbon dioxide is released
