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Science

Asked by Jahmiwh

Give three features of a alveoli That allows large amount of oxygen to enter the blood

Large surface area - many alveoli are present in the lungs with a shape that further increases surface area. Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blo... more

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Irfan Khalid
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131 students helped

Science

Asked by Charlene

State any two differences between inhaled and exhaled air

Inhaled air will contain roughly the same composition of normal atmospheric air. Where as, exhaled air will contain much less oxygen and a high concentration of CO2 because of respiration taking place inside the human body.

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Jordan Westwood
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139 students helped

Science

Asked by It’S Just Me,

How could this service help someone who is homeschooled?

Hi, you could use Scoodle to ask questions on topics you're finding a little difficult. Or, you can also find a tutor if you want additional support in a particular subject. Hope this is helpful.

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Emma Berwick
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11.5k students helped

Computer Science

Asked by Swetha

What is the best way to define what an algorithm is?

An algorithm is simply a sequence of instructions to carry out a particular task. A good example is a cooking recipe. When cooking you follow a set of steps to complete an objective.

Computer Science

Asked by Martha

I really want to be a Software Engineer but also really don’t want to do a Maths A level - are there any other routes I could take?

If you are aspiring to go to a Russel University then there is no other way but to do A level Maths. However, if you don’t mind going to a non-Russel Uni then you can look into doing a BTEC Engineering course along side two other A level. Also you could always do an engineering degree with an integrated foundation year, they are designed for people who want to do engineering but don't have the c... more

Science

Asked by Mahnoor

A farmer plans to generate all the electricity needed on her farm using either a biogas generator or a small wind turbine the biogas generator would burn methane gas the methane gas would come from the rotting the animal waste produced on the farm

So you need to compare the advantages and disadvantages of both methods Biofuels Renewable source.Uses land that could be used to grow food. Less carbon emissions. When burned, they release as much carbon as they absorbed during growth, although some carbon dioxide will be released during production, eg by the tractor.Needs a lot of labour. Reduce our reliance on fossil fuels.Bioethanol cannot be... more

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Yasmeen Begum
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Science

Asked by 『 Мσση

If the voltmeter reads 3V what will the voltage be across each bulb?

What type of circuit is it series or parallel and how many bulbs do you have?

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Yasmeen Begum
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3.3k students helped

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