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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
What is the differences between leukemia cells and normal white blood cells?
Leukemia cells are abnormal white blood cells that grow uncontrollably, crowding out normal blood cells. They do not function properly and can impair the body's immune system. Normal white blood cells, on the other hand, are essential for fighting infections and maintaining overall health.
Do red blood cells kill bacteria?
No, typically red blood cells are good for the body. Antibiotics kill bacteria by disabling specific bacterial enzymes.
Edit: In rare cases (called type II hypersensitivity reactions), antibiotics can react with and attach to proteins on the surface of your cells (including red blood cells). ?Your body may form antibodies to these modified proteins, and the antibodies may cause your red blood cells to become destroyed by your own immune system (since antibodies usually mark pathogens). ?People who say they are allergic to penicillin or whatever suffer from this reaction.
What condition would your body be in if your red blood cells couldn't deliver oxygen?
There are two ways in which the body produces energy.
It can do it in two ways:
Aerobic ( Oxygen + Glucose -> Carbon Dioxide + Water Vapour + Energy) respiration and anaerobic respiration ( Glucose -> Lactic acid + Carbon Dioxide. The body usually uses aerobic respiration when there is enough oxygen because aerobic respiration produces more energy. However, when you are sprinting or doing something similar, anaerobic respiration is used when the supply of oxygen is not as large as the demand. Anaerobic respiration produces less energy and lactic acid is produced causing cramps in muscles and possibly more serious problems.
If humans only held oxygen in the blood and had no access to oxygen, brain activity would only happen for 15 seconds before blacking out. In three minutes with zero oxygen your brain would die.
What are blood cells and nerve cells called?
Blood cells are called erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes (platelets). Nerve cells are called neurons.
Which gas does blood carry to the cells of the body What else does it carry to the cells?
It carries oxygen and carbon dioxide away from the cells of the body.
* * * * *
Not so.
In general, it carries oxygen to the cells and carbon dioxide away from the cells.
How often do red blood cells replace themselves?
Your stomach cells are exposed to the harsh stomach acids, if they were not replaced as rapidly as they are the stomach acid would not be able to be contained thus digesting itself and exposing the rest of your body to the acid.
As for the red blood cells our body can only replace about 1% of them per day, essentially there are around 20-30 trillion red blood cells in your body, replacing 200-300 billion cells that are so vital is no easy task. But its easy to assume that only a fraction are replaced every day to use each cell to its fullest life before recycling it.
On a side note every 7 years your a totally new you with 100% new cells.
What is the difference between serum half life and elimination half life?
Serum half-life refers to the time it takes for the drug concentration in the bloodstream to decrease by 50%. Elimination half-life refers to the time it takes for the drug concentration in the body to decrease by 50% due to elimination processes such as metabolism and excretion. Serum half-life is more focused on drug levels in the blood, while elimination half-life reflects the overall removal of the drug from the body.
Is a red blood cell a cell part of a cell or a liquid?
Red blood cells are cells that carry oxygen and contain a special substance called hemoglobin. In the lungs, oxygen combines with hemoglobin to give oxy-hemoglobin which is bright red in color.
Red blood cells wear out after a couple of months. The marrow manufactures new red cells to replace worn out ones. There are several million red blood cells in a single drop of blood.
How long does the average red blood cell live in your body for?
120 days for a normal rbc. a sickle cell lasts only about 20 days
What does hemoglobin and red blood cells make?
They carry oxygen to every cell of the body needing oxygen. Red blood cells are just carriers of the protein hemoglobin, which actually carries the iron heme that attaches the oxygen for transport throughout the body.
What provides support and protectionproduces red blood cells and stores minerals?
The bone marrow, found within bones, supports and protects organs while producing red blood cells through hematopoiesis. Additionally, bones store important minerals like calcium and phosphorus for maintaining overall bone health and metabolic functions in the body.
How long to make one liter of blood?
It takes the body approximately 120 days to produce one liter of blood. Blood is continually being produced in the bone marrow through a process called hematopoiesis, where red blood cells, white blood cells, and platelets are generated.
What is the function of a white blood cell in the human body?
White blood cells, or leukocytes, are a part of the immune system to protect the body from diseases and foreign organisms or substances. White blood cells are able to pass through the capillary walls to fight infections and germs that find ways into the body. The number of white blood cells make up about 1% of the blood in a healthy adult.
How do B cells get their name?
"B cells" are named after the Bursa of Fabricius where they were first discovered in birds. The Bursa of Fabricius is an organ in birds that is involved in the development of B cells. The "B" stands for "bursa-dependent" in reference to this organ.
What chemical alteration of the blood stream results from emphysema?
Emphysema is a type of chronic obstructive pulmonary disease (COPD) that is characterized by damage to the air sacs in the lungs. This can result in decreased oxygen levels in the blood (hypoxemia) and increased carbon dioxide levels (hypercapnia), leading to respiratory acidosis. Over time, these chemical alterations can affect the body's pH balance and lead to further complications.
Why red blood cells have no nucleus but still they called cell?
Red blood cells lose their nucleus as they mature in order to make space for more hemoglobin, the protein that carries oxygen. Even without a nucleus, they are still considered cells because they have a cell membrane and other cellular components necessary for their function of transporting oxygen in the bloodstream.
How do red blood cells multiply?
Mature red blood cells are not capable of dividing, as they do not possess nuclei. Therefore, it is not possible that red blood cells will divide as they travel along our blood vessels. New red blood cells are produced in the red bone marrow of long bones in adults, not from the cell division of mature red blood cells.
"RBCs are terminally differentiated; that is, they can never divide. They live about 120 days and then are ingested by phagocytic cells in the liver and spleen."
For more information on blood cells and the cellular process you may want to consult
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/B/Blood.html
or a medical website/dictionary.
What does a cell membrane do in a red blood cell?
The cell membrane in a red blood cell helps to maintain the cell's shape and structure, allowing it to be flexible so it can squeeze through small blood vessels. It also controls what substances can enter and exit the cell, playing a crucial role in the regulation of nutrient and waste exchange. Additionally, the cell membrane contains specific proteins that enable red blood cells to carry oxygen throughout the body.
The red blood cell count would be 2.4 million per cubic milliliter (240 x 10,000).
Why do people who can't produce white blood cells get infections?
Blood is essential for good health because the body depends on a steady supply of fuel and oxygen to reach its billions of cells. Even the heart couldn't survive without blood flowing through the vessels that bring nourishment to its muscular walls. Blood also carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system; from there they are removed from the body.
Without blood, we couldn't keep warm or cool off, we couldn't fight infections, and we couldn't get rid of our own waste products.
So how exactly does blood do these things? How is it made, and what's in it? How does blood clot? It's time to learn a little about the mysterious, life-sustaining fluid called blood.
What Is Blood and What Does It Do?Two types of blood vessels carry blood throughout our bodies: The arteries carry oxygenated blood (blood that has received oxygen from the lungs) from the heart to the rest of the body. The blood then travels through the veins back to the heart and lungs, where it receives more oxygen. As the heart beats, you can feel blood traveling through the body at your pulse points - like the neck and the wrist - where large, blood-filled arteries run close to the surface of the skin.The blood that flows through this network of veins and arteries is called whole blood. Whole blood contains three types of blood cells:
- red blood cells
- white blood cells
- platelets
In babies and young children, blood cells are made in the bone marrow of many bones throughout the body. But as kids get older, blood cells are made mostly in the bone marrow of the vertebrae (the bones that make up the spine), ribs, pelvis, skull, sternum (the breastbone), and parts of the humerus (the upper arm bone) and femur (the thigh bone).
Blood cells travel through the circulatory system suspended in a yellowish fluid called plasma. Plasma is 90% water and contains nutrients, proteins, hormones, and waste products. Whole blood is a mixture of blood cells and plasma.
The parents have the following genotypes:
- Type B = genotype BB or BO
- Type O = genotype OO
- Type A = genotype AA or BO
- BB/BO x OO = Baby Type BO or OO
- AA/AO x BB/BO = Baby Type AB, AO, OO
No, the circulatory system does not produce red and white blood cells. Red blood cells are produced in the bone marrow, while white blood cells are produced in various tissues in the body such as the bone marrow and lymph nodes. The circulatory system is responsible for transporting these cells around the body.
