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Alexeev081 [22]
3 years ago
8

A person has a bone fracture and takes a painkiller that causes blood-vessel constriction. Why might this painkiller actually sl

ow bone healing? Specifically describe how the drug would affect the three stages of bone healing.
Biology
1 answer:
Elan Coil [88]3 years ago
6 0
In contrast to compact bone, spongy bones does not contain true Haversian systems( tiny tubes that form a network in bone and contain blood vessels) but consist of an irregular lattice of thin plates of bone called trabeculae.The spaces between trabeculae are filled with marrow. The cells of the red marrow are responsible for producing blood. Within trabeculae  lie lacunae which contain osteocytes.<span> Blood vessels from the periosteum penetrate through to the spongy bone,  and osteocytes in the trabeculae are nourished directly from the blood circulating through the marrow cavities.</span>
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What is the correct order of levels of organization in an organism, from the least complex to the most complex?
In-s [12.5K]
The answer is letter D. 

<span>The levels of organization of life from the least complex to most complex are enumerated below:<span>
a. Organelles - the basic part of a living organism. It refers to the different structures of the cell, whether prokaryotic or eukaryotic. (Ex. Mitochondria, nucleus)
b. Cells - building blocks of life that are composed of different molecules responsible for the function of an organism. (Example: prokaryotic, eukaryotic cells)
c. Tissues - combinations of cells that carry out a specific function in an organism. (Example: Human skin)
d. Organs - collections of tissues that perform specific functions. (Ex. heart, lungs)
e. Organ Systems - composed of interconnected organs that function as a whole. Many organisms, particularly mamamals, are composed of organ systems. (Ex. respiratory, circulatory systems)
f. Organisms – individual entities that specifically make-up a population. (Ex. Each tree in the forest is an organism, each animal in sea is an organism)</span></span>
g. Population – species living within a specific location. It could be the same or different species that inhabit a place. (Ex. Birds are species in the forest as well as bears)
h. Community – refers to the total number of populations that inhabit a specific location. (Ex. All of the trees, insects, birds that inhabit the forest are a community)
i. Ecosystem – consists of all living things that function together as a group which also includes the non-living parts of the environment. (Ex. Rain water, nitrogen in the soil)
<span>j. Biosphere – the highest organization of life that consist of all the collection of ecosystems in the planet. It includes the land, air, water, even the atmosphere of the planet. </span>
6 0
3 years ago
Which form of water motion commonly causes natural disasters along shorelines
lesya [120]

Answer:

water motion that is non-linear in nature can cause natural disasters on shorelines.

Explanation:

these natural disasters could be on a small scale or a large scale depending on the strength of that movement of water. Rip currents and storm surges (uncommon) are two different types of hazards that can occur on the coast. In addition, a more dangerous case is a tsunami - which may be triggered by an earthquake - these are ocean waves traveling at a very high speed.

Hope that answers the question. Have a great day!

6 0
3 years ago
What part of the plant holds the most water​
aliina [53]

Answer:

Stem

Explanation:

Main Stem - Holds up the plant and carries water throughout the plant. Secondary Stem - A stem that grows out from the main stem and holds the leaves. Chlorophyll - The green matter that is needed to make food for the plant.

8 0
4 years ago
Read 2 more answers
DNA double helix does not have which of the following?
Rina8888 [55]

Answer:

Uracil

Explanation:

  • Uracil is only found in RNA
  • It replaces Thymine during transcription and base pairs with adenine
4 0
3 years ago
if humans were wiped out and allowed room for a new dominant species, out of all animals listed which one would have the most po
xxTIMURxx [149]

Answer:

the raven

Explanation:

octopus - intelligent but very antisocial with a short life span, meaning they most likely will not work with other octopuses to improve while also living in the ocean making it harder to build. (but could probably evolve to walk on land)

dolphin - smart but does not have thumbs to make tools and lives in the ocean meaning they have a disadvantage.

raven - intelligent, works with other ravens and sometimes even wolves, and has shown to make tools.

5 0
2 years ago
Read 2 more answers
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