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qaws [65]
2 years ago
7

What is lymphatic system ​

Biology
1 answer:
motikmotik2 years ago
8 0

Answer:

The lymphatic system, or lymphoid system, is an organ system in vertebrates that is part of the immune system, and complementary to the circulatory system. It comprises of a large network of lymphatic vessels, lymph nodes, lymphatic or lymphoid organs, and lymphoid tissues.

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How is HIV contracted, and what are the treatment options?
Katena32 [7]

I believe the correct answer is: HIV is spread during unprotected sex or through contact with infected blood; it cannot be cured, but early treatment can minimize the long-term consequences.

<h2>Explanation:</h2>

Human Immunodeficiency Virus is a type of virus which causes an impairment of the immune system of the person making them susceptible to diseases such as tuberculosis, influenza and any other disease that can exploit this opportunity. It is spread by a person coming into direct contact with infected bodily fluids such as saliva during deep kissing, semen during intercourse, blood after an accident or even fluids when sharing needles and syringes for drug addicts. There is no cure but the current form of treatment slows down the virus to prevent some consequences.

<h2>Further Explanation:</h2>

The virus is enters the body through open wounds or surfaces such as the vagina or mouth where the skin is very thin and can tear. After penetrating the skin, it attaches to specific immune cells called CD8+ T-cells on points called receptors. It then enters the cell and replicates itself in the nucleus of the cell and as it goes out, it kills these immune cells making the person to have a weak immune system. The current drugs used called AntiRetroVirals (ARVs) such as the drug Zidovudin stops the virus from replicating thus reducing the total amount of virus in the body called the Viral Load. Some drugs target enzymes called proteases and reverse transcriptase that help the virus to replicate. This viral load is what is counted to estimate the total volume of HIV someone has in their body. Infected persons should use protection while having sex and also avoid sharing sharp objects to prevent transmission. They also need to take their medication to make them much more healthier in addition to taking proper balanced diets.

Level: High School

Subject: Biology

Topic: The Immune System

4 0
2 years ago
Read 2 more answers
How did the cricket that did NOT sing get the mate?
Tomtit [17]

Answer:

I belive its A

Explanation:

7 0
3 years ago
Vertebrates have to
pychu [463]
A. Theroux and eye gland because it show more of the eye gland
5 0
3 years ago
Which snake adaptation best helps it to survive in its community?
chubhunter [2.5K]

Answer:

Venom or camouflage

Explanation:

3 0
3 years ago
Read 2 more answers
Trichinella worms sometimes cause the disease known as trichinosis in humans when undercooked pork is eaten. These organisms hav
valina [46]

Answer:

A: Nematodes

Explanation:

Nematodes are a subdivision of the animal kingdom known as Nematoda. The group consists of round/cylindrical worms without body segments. They are mostly microscopic, bilaterally symmetrical with a wide range of habitat. Many of the species in this group are endo-parasites of man and other higher animals.

The flatworms belongs to the Platyhelminthes phylum. They are unsegmented and parasites of other animals just like nematodes. However, they are flat in shape as opposed to cylindrical shape of nematodes.

Earthworms belong to the phylum Annelida. They are segmented with nervous system.

In this case, the Trichinella worms seem to be most similar to Nematodes in that:

  • <em>They have cylindrical bodies</em>
  • <em>They are unsegmented</em>
  • <em>They are parasitic in nature</em>

The correct option is A.

7 0
3 years ago
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