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Immune System
This category is for questions about how our bodies identify and fight off disease, infection or pathogens through specialized cells, tissues and organs. The system that does this is called the immune system. It produces antibodies which recognize intruders and neutralizes potentially pathogenic organisms or substances.
4,548 Questions
What things in the body kill viruses?
Antibodies are what our bodies use to block the action of viruses, however, since a virus particle is not really a living thing, it is not able to be killed. It is made inert or inactive by the antibodies our immune system produces that block the entry of the virus into our cells.
Activated B cells, called plasma cells, are responsible for producing antibodies
Which antibodies can cross placental barrier?
IgG is the only antibody small enough to cross he placenta.
Is the function of leukocytes blood coagulation?
False- the leukocytes participate in protecting the body from infection; Coagulation is a complex process by which blood forms clots. ex: if you cut or stick yourself and blood begin to flow, immediately the blood forms a kind of thickness (like a film coating on the outside) and the blood begins to slow down, this forms a clot. The platelets immediately forms a plug as you will at the site.
The proteins in the blood is called the coagulation factor or the clotting factors to stop the blood from flowing more as the plug gets strong as it stops the blood.
So in otherwords, no it is not the function of the leukocytes it protects inside from foreign objects
Hope I explained it in a way you catch what its meaning.
Can your immune system shut down?
Yes, when you have AIDS your body is turning all attention to fighting the disese and in turn weakens your immune system and leaves you liable to other illnesses. With aids the common cold can kill you
How does your immune system protect you from bubonic plague?
it slows down infection by small amounts, your immune system can defend depending on how much white blood cells, high amounts reduces how quickly it infects. your immune system can eliminate it with the help of anti-botics.
How do antibodies react to antigens?
Type B antibodies react to type B antigens by begining to clump together, and the clumps may block blood vessels.
What is an increase in the incidence of tuberculosis is due to?
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What are the names of the five types of pathogens from largest to smallest?
Smallest Prion-virus-bacterium-protozoan-helminth Largest
Which chemicals are secreted by T-helper cells to stimulate b-plasma cells to divide?
These chemicals are called CYTOKINES.
Can mono weaken your immune system and make you susceptible to other illnesses?
no it cant, exspecially if one were to say i don't no get their cartlidge peirced. don't worry about it and let your kids get it.
Yes it does!
Yes, protein has a recommended daily allowance. Protein is a very important factor for all living creatures - not just humans - but animals as well. The RDA for protein greatly differs depending on the weight of a person. As a general rule, you should take in 0.8 grams of protein per 1 kilogram of your weight.
A rough guide for the recommended daily allowance of protein would be 9.1 - 13.5 grams for infants (0 - 12 months), 13 to 19 grams for children 1 to 8 years old. Older children will need around 34 to 35 grams protein per day, while male adults will need as much as 52 to 56 grams. Female adults need lesser at only 46 grams per day.
Pregnant and lactating women need more protein, since they are eating for two. They will need as much as 71 grams per day of protein.
Remember that animal products are the easiest and best sources of protein. You can get protein from lean meat, egg, fish and poultry. Vegetarians can also get their recommended daily allowance for protein from plant food items like beans, peas and nuts.
Yes, your entire body is made up of cells both dead and alive.
No, many blood-borne pathogens can be transmitted when consuming another person. It is also illegal.
Enzymes (Are all proteins, but not all proteins are enzymes.)
What is the immune system called?
The immune system is used to prevent and destroy infection from various pathogens in the body. It consists of the circulatory system, lymphatic system, bone marrow, spleen and thymus gland.
The first line of defense is against all foreign invaders.
It is what is responsible for keeping you healthy. The human immune system is very complex, and has multiple components that all need to work in harmony for optimized function.
Describe how the body's own defence system can provide natural immunity from diseases?
Basically the body prduces white blood cells which produce an anti-body which is the natural process of an immunity in the body.
What is also known as B lymphocytes?
Lymphocytes play a role in body's natural defense. They are comprised of B cells and T cells. T cells are cellular mediators of immunity whereas B cells differentite into immunoglobulin-synthesizing plasma cells. If T cells are fighters, B cells like to 'prepare' by synthesizing antibodies to the invading antigens.
Why do the body's antibodies fail to protect people from HIV?
I think it is because HIV is a retro virus, it needs to invade a cell and insert itself it's DNA into the cell's genome in order to subvert it's function to produce more copies of itself.
The body's immune response is to wrongly start to attack itself and let ordinary infections that are normally stamped on to run rampant. I am no expert but this is my layman's attempt to explain how this virus has such a devastating effect on the body's sophisticated defences.
