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What is working Principal of A pistol?
The working principle of any firearm is that burning gunpowder produces rapidly expanding gasses. Those expanding gasses push the bullet out of the barrel at high speed.
What two gasses are used in spacecraft to provide breathing air for astronauts?
oxygen and nitrogen
Is father evil in The Boy in the Striped Pajamas?
Yes! He's the Nazi commandant who gasses Jews!
How is 'thrust' possible in outer space?
Its called Newton's Third Law. "When object A exerts a force on object B , then object B will exert an equal but opposite force back on A". When a rocket spews out hot gasses it's effectively exerting a force on the gasses. So the gasses exert the same force back on the rocket. The gasses accelerate one way and the rocket accelerates the other way. When Goddard first started experimenting with rockets some newspapers laughed at him because they thought the rocket would not be able to keep going once it got too far from the earth. But Goddard undestood Neton's Third law and knew the earth didn't have to be there for it to work.
What state of matter is comets?
The nucleus of a comet is mostly solid, while the coma and tail of the comet is composed of gasses and (we believe) a lot of dust. As the comet approaches the Sun, sunlight heats the nucleus of the comet and melts some of the frozen gasses, which sublimate into space carrying dust into space, forming the coma and the tail of the comet.
What are the two gasses that exchange in animals?
Oxygen and carbon dioxide.........I think.
Do butterflies gas exchange?
Butterflies do indeed take part in the exchange of gasses. They need oxygen to breathe just like most living animals.
What occurs during gas exchange?
External Respiration is where gasses are absorbed into the blood through the alveolar capillary beds. Internal respiration is where the gasses are transferred into the cells from the blood.
The exchange of gasses is the function of the what?
alveoli.
Why tissues involved in gaseous exchange are always moist?
If they dried out they would no longer be able to let gasses pass through them.
How does a tarantulla sprider exchange gasses?
Gas exchange takes place by book lungs .
In a plant what allows the exchange of gasses with the atmosphere?
Lenticel
What is the role the capillaries?
exchange of nutrients and gasses with tissues
What is role of capillaries?
exchange of nutrients and gasses with tissues
What are the movement of gasses in and out of the blood?
Gases move in and out of the blood through diffusion. Oxygen from the alveoli in the lungs diffuses into the blood, while carbon dioxide diffuses from the blood into the alveoli to be exhaled. This process is crucial for gas exchange and maintaining the body's pH balance.
How do fish take in gases?
Fish breath (take in and exchange gasses) by passing water through their gill membranes which do the same job as our lung membranes.
How the insect respiratory system works?
The insect respiratory system operates by passive exchange of gasses through tiny holes called spiracles in their abdomen.
