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Most of the exchange surfaces of multicellular animals are lined with

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Most of the exchange surfaces of multicellular animals are lined with

Most of the exchange surfaces of multicellular animals are lined with 

A) connective tissue.B) smooth muscle cells.C) neural tissue.D) epithelial tissue.E) adipose tissue.

Answer: D

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How do multicellular organisms maintain a moist respiratory surface?

How do multicellular organisms maintain a moist respiratory surface? – Gas exchange takes place at a respiratory surface-a boundary between the external environment and the Multicellular organisms are better evolved for carrying out these functions because collections of tiny cells allow most of the respiratory passage surface is lined with simple squamous epithrlium.Most meteors burn up in the Earth's atmosphere before they can strike the surface. The planet's active geological processes have left no evidence of the ancient pelting it almost certainly received soon after it was Humans have built over most of the craters. Most meteors fell into the ocean and not on land.All animals, whether large or small, have _____. most of their cells in contact with an aqueous medium. Most of the exchange surfaces of multicellular animals are lined with _____.

TOEFL: Reading comprehension and vocabulary… | DrillPal.com – … some crops to feed their animals and use animal manure to increase. the … of these crops. 5. Farmers try to raise such varieties of crops which are the most suitable for the climate of the region. 6. For centuries both meat and milk have been the main source of protein for people.Multicellular animals. larger organisms have low surface area to volume ratio. lung more complex internal structure than amphibians with in-growth tissues increasing surface area for gas exchange surfaces are air sacs or alveoli which provide a large surface area relative to volume of the body.GAS EXCHANGE SURFACES To maximise diffusion, an efficient gas exchange surface will… • have a large surface area multicellular animals need a gas exchange system • An exception: • Many multicellular animals are Gill arches lined with hundreds of gill filaments that are very thin and flat.

TOEFL: Reading comprehension and vocabulary... | DrillPal.com

Best Ch. 40 Flashcards | Quizlet – Flattened shape OR surfaces It would take too long to reach the middle of the organism Specialised exchange multicellular animals need a gas exchange system An exception: • Many multicellular animals are small enough Gill arches lined with hundreds of gill filaments that are very thin and flat.Presentation on theme: "Origins of Multicellular Animals"— Presentation transcript 5 INTRODUCTION TO PORIFERA unusual animals originally thought they were plants Are primarily marine, mostly in shallower waters Are sessile and attached to substrate or objects- occasionally on…In multicellular organisms like humans the body design is very complex and the oxygen demand is quite high. To overcome this, multicellular organisms have specialized cells and tissues for performing various necessary functions of the body such as intake of oxygen and food.

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