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VARVARA [1.3K]
3 years ago
15

Cortical thickening in five- to 11-year-olds in the ________ may reflect improvements in language abilities, such as in reading.

Biology
1 answer:
Goryan [66]3 years ago
8 0

Answer:

Frontal and temporal lobe areas.

Explanation:

Brain is one of the most important organ of the body as it regulates all the body coordination and also controls the other system of the body. Human brain is divided into fore brain, mid brain and hind brain.

The cortical region of the brain gets thicken at the 5- 11 years old especially the frontal and temporal lobe areas. These areas of brain are involved in the language abilities, thinking, reading and writing. The thickening of the frontal and temporal lobe improves the reading ability of the 5-11 years old children.

Thus, the answer is frontal and temporal lobe.

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What are the characteristics is associated with innate immunity?
Diano4ka-milaya [45]

Answer: First line of defense, the cells of the innate recognize and respond to pathogens in a generic and fast way and does not confer long-term or protective immunity. Recruitment of immune cells to the sites of infection and inflammation and activation of the complement system cascade.

Explanation:

Innate immunity is a defense system that you were born with and that protects you against all antigens. Innate immunity consists of barriers that prevent harmful materials from entering the body. These barriers form the first line of defense in the immune response. There are also <u>phagocytic cells</u> of the immune system which include: <u>macrophages, neutrophils, and dendritic cells</u>. The membrane receptors of those cells allow it to act on the recognition of danger signals and they are of the type TLR and PRR. These are Antigen Presenting cells which process the pathogens and display their antigens on their surface and takes it to B lymphocytes for the production of antibodies, which is part of the adaptive immune system.

<u>This means that the cells of the innate recognize and respond to pathogens in a generic and fast way</u> and, unlike the adaptive immune response, <u>does not confer long-term or protective immunity to the host.</u>

So, the main functions of the innate immune response include:

  • Recruitment of immune cells to the sites of infection and inflammation, through the production of chemical factors, including specialized chemical mediators, called cytokines.
  • Activation of the complement system cascade to identify bacteria, activate cells and promote clearance of dead cells or antibody complexes.
  • The identification and removal of foreign substances present in organs, tissues, blood and lymph, by leukocytes.
  • The activation of the adaptive immune response through a process known as antigen presentation.
  • Inflammation is one of the first responses of the immune system to infection or irritation. It is stimulated by the release of chemical factors and serves to establish a physical barrier against the spread of infection, and to promote the recovery of some damaged tissue following clearance from pathogens. Chemical factors produced during inflammation (histamine, bradykinin, serotonin, leukotrienes) sensitize pain receptors, cause vasodilation of blood vessels at the scene, and attract phagocytes, especially neutrophils.

5 0
2 years ago
A dichotomous key is a
Anit [1.1K]

Answer:

A dichotomous key is a tool created by scientists to help scientists and laypeople identify objects and organisms.

can i have a Brainliest plz and thank you

8 0
3 years ago
Help me!!!!!!!!!!!!!!!!!!!!!!!!
Strike441 [17]
The awnsers would be D for the first one and A for the second. Let me know if you want an explanation.
7 0
3 years ago
Which of the following factors has delayed the development of laboratory- based genetic systems in Archaea?a.Archaea do NOT host
e-lub [12.9K]
<h2>b) option is correct </h2>

Explanation:

  • Archaea are the closest modern relatives of Earth's first living cells
  • Archaea are famous because of living in extreme environments
  • If it’s super hot (more than 100° Celsius), freezing, acidic, alkaline, salty, deep in the ocean, even bombarded by gamma or UV radiation, there’s probably life there, and that life is probably archaeal species
  • They’re also considered very resourceful
  • Many forms of archaea can utilize totally inorganic forms of matter—hydrogen, carbon dioxide or ammonia for example—to generate organic matter themselves
8 0
3 years ago
What is the source of the genetic information that determines the traits of a Pacific tree frog?
Tema [17]
The answer to the question above is letter D. <span>Chromosomes found in the cell nucleus.</span>
In the cell nucleus, DNA is tightly packed into the thread-like structure known as chromosomes. Every chromosome is made up of tightly coiled DNA around proteins (histones) that support its structure. Chromosomes are not visible when there is no cell division. It cannot be seen in the cell’s nucleus nor under the finest microscope. They are only visible when the cell is dividing and is apparently visible under a microscope.


5 0
3 years ago
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