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Blood

Blood is a bodily fluid consisting of plasma, blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues. In many species, it also carries hormones and disease-fighting substances. In this category, you will find questions about the blood in your body, including blood types, blood diseases, and the function of blood.

9,936 Questions

Which blood cells perform the role of preventing fluid loss following an injury by releasing proteins that result in the formation of blood clots through coagulation?

Blood cells called platelets release proteins into the blood plasma, and the presence of these proteins cause coagulation, or clotting. Platelets, which are technically cell fragments because they have no nucleus, become sticky and form clots.

Where was plasma discovered?

Plasma was discovered in Tokyo Japan by the scientist Yoshi Hiragotima during his MANY experiments.

What are causes of high white blood cell count?

There are several different things that could be causing an increased white blood cell count. Some of these things include an infection, a reaction to a drug, a disease of bone marrow, or an immune system disorder.

Is it true that all of the blood in your body is blue?

No. But the 'used' blood on its way back to the lungs is dull red, and looks blue through the veins.

What is a macrophage?

A Macrophage is a white blood cell, produced by Monocytes. Monocytes and Macrophages are both Phagocytes. These work as a part of the human immune system. They act in non-specific "innate" immunity defense and are able to initiate specific "cell-mediated" immunity.

The role of a phagocyte is to engulf and "digest"/destroy cell debris or pathogens, such as viruses and bacteria. They are directly responsible for this process called phagocytosis. Macrophages also stimulate Lymphocytes and other immune cells that react to pathogens as what is called an "antigen-presenting" cell, also known as a histiocyte .

Macrophages are located throughout the bloodstream, and may be "fixed" or they can be freely motile and capable of amoeboid-like movement.

Which is the order Path of the blood system?

Pathway of BloodMemorization

A

=

Auricle

Righteous

=

Right A-V Valve

Rat

=

Right Ventricle

Pulls

=

Pulmonary Artery

Livers

=

Lungs

Pies

=

Pulmonary Vein

Lollipops

=

Left Atrium

Laddles

=

Left A-V Valve

Lilys

=

Left Ventricle

And

=

AORTA

Bats

=

Body Systems

Vivaciously

=

VENA CAVA

What is absolute lymphopenia?

Absolute lymphopenia is a low white blood cell count. A low percentage of lymphocytes could also cause absolute lymphopenia. Oftentimes it is a combination of the two.

What causes low iron?

This answer shows a full list of all the diseases and conditions listed as a possible cause of Low blood iron by various sources. Acute Blood loss Blood test shows falsely decreased iron levels - e.g. error in collection or storage Breastfeeding Chronic Blood loss Chronic haematuria Chronic haemoptysis Colorectal malignancy Decreased acidity in stomach (hypochlorhydria) Decreased dietary intake Gastric malignancy Gastritis Gastrointestinal bleeding Hookworm Infancy Inflammatory bowel diseases Medications causing decreased stomach acidity Menstruation NSAID/aspirin use Parasites Peptic ulcer Pregnancy Puberty

How quickly does blood separate after death?

When you die, your blood will pool in the area someone is lying on. So if the person is lying on their back, the blood will pool in that area and you will notice blotchy areas resembeling bruising.

What is the destruction of red blood cells that results in the liberation of hemoglobin?

Hemolysis is the destruction of red blood cells or Erythrocytes with a release of hemoglobin that diffuses into the surrounding fluid.

Why are red blood cells unable to synthasize proteins?

Mature blood cells do not have a nucleus. Without this genetic material, the cells are unable to synthesize proteins.

Your red blood count is 10.4 is that consider low?

The normal count for men is 13.0 and for women 11.5 so it is a little low.

An acute infection would show up in a blood count as?

An acute infection typically results in an elevated white blood cell (WBC) count, often with a predominance of neutrophils, as the body mobilizes its immune response. Additionally, there may be an increase in immature neutrophils, known as "left shift," indicating a rapid response to infection. Other markers, such as C-reactive protein (CRP), may also rise, reflecting inflammation. Overall, these changes in blood count indicate the body's active fight against the infection.

What is the color of blood Why is it red outside?

Blood is ALWAYS red. It appears blue inside the body because of the way light refracts through the skin.

What if the quantity of platelets increase more than 400000?

if the number of platelets is too high, blood clots can form thrombosis, which may obstruct blood vessels and result in such events as a stroke,myocardial infraction, pulmonary embolism or the blockage of blood vessels to other parts of the body, such as the extremities of the arms or legs. An abnormality or disease of the platelets is called a thermobocytothpy which could be either a low number of platelets thrombocytopenia a decrease in function of platelets thrombasthenia or an increase in the number of platelets thrombocytosis.

What is the normal range for GGT blood test?

Normal OGCT results are less than 200 mg/dL at one hour. At two hours, the results is less than 140 mg/dL.

What tissue allows the rapid diffusion of oxygen form the aveoli in lungs to blood?

In the lungs, cells called alveoli form a thin membrane between the lungs and the capillaries. The alveoli extract oxygen from the air inhaled by the diaphragm, and transfers the oxygen to hemoglobin in red blood cells, which transport the oxygen to other parts of the body.