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QveST [7]
3 years ago
15

Any 2 characteristics of columnar epithelium​

Biology
1 answer:
kykrilka [37]3 years ago
3 0
Polarity- Epithelium is arranged so there is one free surface (apical surface) and one attached surface (basal surface)

Cellular nature– Cells in epithelium fit closely together side by side and sometimes atop each other to form sheets of cells.
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Choose the best synonym to replace the underline word in the sentence below: These fossil fuels emit carbon dioxide into the air
Morgarella [4.7K]

Answer: Assuming the underlined word is "emit," then the answer is C.

Explanation:

When fossil fuels are burned, they release carbon dioxide into the atmosphere.

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The two major divisions of the nervous system are the central and the ________ nervous systems.
andrey2020 [161]
The correct term to fill in the blank would be peripheral. The two major divisions of the nervous system are the central and the peripheral nervous systems. The central nervous system consists of the spinal cord and the brain. The peripheral nervous system is made up of nerves and small amount of gray matter known as the ganglia. The nervous system is a very important part of the body as it is responsible of connecting all of the organs and the parts to the brain. It is responsible for carrying messages to the brain and out from the brain to the other parts of the body. 
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3 years ago
Question 18
Andre45 [30]
Ig it’s true. The emission of gramma rays results in the loss of energy.
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Please help asap will give brainliest!! The organism in the image is a free-living one that is anchored to the bottom of ponds a
Norma-Jean [14]

Answer:

cnidarians

Explanation:

Cnidarian is a phylum of organisms that comprises of the simplest forms of multicellular organisms. Examples of cnidarians includes; coral animals, jellyfish, and sea anemones among others.

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All cnidarians are aquatic, mostly marine organisms, and have two body layers that is the ectoderm and endoderm.

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A physician who developed a system of medical knowledge based on anatomical studies?
Liono4ka [1.6K]

The correct answer is Galen.  

Galen considered anatomy as the foundation of medical knowledge, and he recurrently dichotomized and tested on the lower animals like pigs, sheep, and goats. Galen's supported dissection as the method to better the skills of surgery and research works.  

In his work, he illustrated seven pairs of cranial nerves, observed the structural distinctions between the veins and arteries, and illustrated the valves of the heart.  


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