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labwork [276]
3 years ago
5

Which structures greatly increase the surface area for nutrient absorption in the small intestines?

Biology
2 answers:
Scilla [17]3 years ago
7 0

Answer:

VILLI

Explanation:

maksim [4K]3 years ago
5 0

Answer: villi

Explanation:

In a human digestive system, small intestine is responsible for fat digestion. small intestine consist of small finger like projections called villi which functions the fat digestion by increasing the surface area for nutrient absortion.

The surface mucous-membranous layer protects the heart of a villus. This is composed mainly of two types of cells including columnar cells which absorb the substances passed into the blood and lymphatic vessels; and goblet cells, rounded at the end, which secrete mucus into the intestinal cavity.

Hence, villi increases the surfcae area for nutrient absorption in the small intestine.

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In 1992, the U.S. Environmental Protection Agency (EPA) introduced ____ as a voluntary labeling program designed to identify and
madam [21]

Answer:

<em>energy star.</em>

Explanation:

Its main objective is to help consumers, businesses, and industry save money and protect the environment through the adoption of energy-efficient products and practices.

3 0
3 years ago
Which of the following is NOT true of bacteria?
enyata [817]

If you go on mc3.edu/admissions/applying-to-mccc/testing-and-assessment/assets/biology-placement-test.pdf page 11 it will tell you all the answers to your questions....

Download pdf
5 0
3 years ago
Match each animal with the correct classification.
miv72 [106K]

Answer:

eagle- chordata phylum

ladybud- Insecta class

scorpian- Arachnida class

lobster- Crustacea class

snail- Mollusca phylum

Explanation:

The organism that contains a notochord at some of its life cycle stage are called chordates and all vertebrates are chordates so eagle comes under phylum Chordata.

Insecta is the largest class of phylum Arthropoda which contains organisms which have jointed legs, exoskeleton and segmented body for example ladybird, playing mantis, etc.

Arachnids are animals which have jointed legs and in this class spider are the largest order which contains scorpions, mites, ticks, etc.

Crustaceans are invertebrates which have hard shell made up of calcium for example lobster, prawn, shrimp, etc.

Mollusks are very large invertebrate phylum which contains a soft segmented body that is usually present inside a shell made up of calcium. for example snails.

3 0
4 years ago
How is mitosis important for sexual reproduction?
LuckyWell [14K]
Mitosis is important for sexual reproduction indirectly. It allows the sexually reproducing organism to grow and develop from a single cell into a sexually mature individual. This allows organisms to continue to reproduce through the generations.
6 0
3 years ago
Who is most in danger from the effects of overfishing ?
faltersainse [42]

I don't think we can answer this question just like that. The question should be formulated a bit differently:

WHAT is in danger from the effects of overfishing?


Well, in the end of the "effect-spectrum" we are in danger, since we also eat fish. But the most affected species are the ones that form the aquatic ecosystems. Such as fish. Examples:

1 - Many of the fish we eat, feed on sea-weed. If there aren't enough fish to eat the growing population of sea-weed, many fish die of intoxication.

2 - We don't have almost any fish restrictions in a way, because we can eat basically all of them. Therefore, many fish (which are also being eaten) find themselves in a lack of food.

3 - Many times, we concentrate on a specific species, which is a main cause of the extinction of species.



Hope it helped,



BioTeacher101


8 0
3 years ago
Read 2 more answers
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