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tiny-mole [99]
3 years ago
5

This is not a question. It is something that I think people should know and should be aware of. If you're having a bad day then

that's OK. It may be horrible and you may just want to leave where you are and cry but that's OK. Everyone has bad days. Everyone just wants to cry sometimes. You have to remember that there are people who care about you. It may not be clear but there are. So, don't give up if you are having a bad day. Carry on through and go and speak to someone that you care about. If you have anything to say leave a comment.
Biology
1 answer:
zheka24 [161]3 years ago
4 0

Answer:

ughh thanks........because I already give up!!!!!!!

Explanation:

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Age-associated changes in the immune system, also known as _______________________, are thought to be responsible for the increa
wariber [46]

Answer:

The correct answer is: Immunosenescence.

Explanation:

  • Immunosenescence can be defined as a biological age-related phenomenon due to which the cells of the immune system are unable to function efficiently with increase in age.
  • As a result of this the aged individuals becomes susceptible to various infections and diseases.
  • This happens because of the following reasons:
  1. The immune cells are formed from the progenitor cells called the Hematopoetic Stem Cells (HSCs) which are abundantly found in the bone marrow. These cells have the capacity of self-renewal and also differentiation into various types of immune cells. Due to aging, these cells accumulate large number of Reactive Oxygen Species (ROS) that that causes oxidative damage to the DNA. Also, with age the telomere (the repititive DNA sequence located at the chromosome terminal that protects the end of the chromosome from undergoing recombination or fusion with other chromosomes) length shortens resulting in the generation of damage in DNA. All these reduces the self renewal and differentiation capacity of these cells.
  2. Other cells of the immune system like, the white blood cells, anti-body producing B-cells, cytotoxicity inducing T-cells, natural killer cells also accumulate similar DNA degrading components. This reduces their life time and also the efficiency of their activity.
5 0
3 years ago
What occupation did muhammad have before the first revelation​
Yanka [14]

Answer:

merchant

Explanation:

Before Muhammad had the first revelation, he was a merchant. He was well thought and trained for this profession throughout his life, and he was a very good and successful merchant. The majority of his career in this profession was including trade between the Indian Ocean and the Mediterranean, which was one of the best trading spots in that period of time. During his merchant career, Muhammad met many people, including lot of Christians, which heavily influenced his life, and later led to the revelations and development of the Islam.

5 0
3 years ago
While biodiversity includes the number of species in a given area, it also includes:_________
grandymaker [24]

While biodiversity includes the number of species in a given area, it also includes phylogenetic lineages.

<h3>What is biodiversity, exactly?</h3>

The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity. These various species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life.

<h3>What kind of biodiversity is that?</h3>

As a group of distinctive living entities having the capacity to reproduce with one another, biodiversity. Blue whales, white-tailed deer, white pine trees, sunflowers, and minuscule germs that are even too small to be seen with the eye are a few examples of species.

<h3>How can biodiversity be preserved?</h3>

Purchasing fewer products and ensuring that the ones you do purchase have a minimal impact on biodiversity investing in initiatives to advance biodiversity.

learn more about biodiversity here

<u>brainly.com/question/26110061</u>

#SPJ4

8 0
1 year ago
As a doctor, you are examining a patient who recently experienced some liver damage as a side effect of the medication that she
adell [148]

Of about 3-4 days in most cases. With severe damage it can take up to 30.

4 0
3 years ago
Which of these occurs as a multicellular organism develops? A. The cells are the same. B. the cell grows bigger. C. the cell spe
Anna [14]
C) the cells specialize

7 0
3 years ago
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