Answer: Blood loss regulation
Explanation:
Positive feed back is response of body in which there is an increase in the effect of small disturbance and the effect is intensified on a system. The magnitude of the effect increases.
In case of blood loss the body releases clotting factors that helps in preventing the body from severe blood loss.
The body releases clotting factors and these clotting factors tend to release more and more clotting factors that begins the process of blood clotting in vessels.
This is an example of positive feedback which acts as a life saving cascade.
Answer: Lymph node
Explanation:
The lymphatic system of the body works by filtering the blood and remove the harmful pathogen that is present in it.
There are several organs in the lymphatic system that works together at different sites in the body and helps body prevent and cure from infection.
Lymph nodes function to remove pathogen and debris from lymph and it is also referred as filters of lymph. The macrophages and dentritic cells kill the harmful pathogen in the blood.
Hence, the correct answer is option A
Answer:
it's A! (I'm sorry but I don't feel like explaining why BTW lol)
Answer:
The correct answer is - osteoporosis
Explanation:
The 80 year old woman appears to have osteoporosis due to her brittle bones and decrease in stature.
To stay away from this condition, the multi year elderly person ought to keep up a sound way of life by eating right and working out, taking nutrients consistently, and guaranteeing that she gets heaps of calcium.
Answer:
There is no short answer.
Explanation:
Antigen presenting is a term used to describe the action of introducing them to the white blood cells and triggers the production of T cells which are essential to the immune system.
If we complete the sentences given in the question and put them in order;
1 - The antigen presenting cell encounters and processes the antigen.
2 - With the antigen, the antigen presenting cell migrates to the nearest lymph node.
3 - The antigen presenting cell displays the antigen to the T cells.
4 - The T cells initiate the immune response if the antigens are viral proteins or abnormal antigens.
5 - Infected or malignant cells are then destroyed before they can do further harm to the body.
I hope this answer helps.
