Blood

A measure of the bicarbonate level in the blood based on a venipuncture specimen. The serum carbon dioxide is one of the normally reported values in the electrolytes profile. Lower levels of carbon dioxide indicate an acidosis. The normal level is 20 to 29 mEq/L. Lower than normal levels can indicate diabetic ketoacidosis, lactic acidosis, alcoholic ketoacidosis, kidney disease, renal failure, diarrhoea, Addison's disease, ethylene glycol poisoning or methanol poisoning. Greater than normal levels can be seen with excessive vomiting, hyperaldosteronism and Cushing's syndrome.

The main difference between red blood cells and white blood cells is their function. Red blood cells primarily carry oxygen to tissues and carbon dioxide away from tissues. White blood cells are a key part of the immune system and help fight off infections and foreign invaders in the body.

Protein synthesis occurs in the ribosomes, specifically in the cytoplasm of the cell. Some proteins are synthesized in the rough endoplasmic reticulum (ER) when destined for secretion or insertion into membranes.

A blood vessel is a tube that carries blood throughout the body. There are three types of blood vessels: arteries, veins, and capillaries. They are essential for delivering oxygen and nutrients to tissues and removing waste products from the body.

The red blood cell is just about the easiest cell to study , it has haemoglobin (lots of it) it has a nucleus when it forms from bone marrow , but when it matures it loses the nucleus and is replaced by ..... can u guess ? MORE HAEMOGLOBIN , as well as some other chemicals / components , it has a cell membrane otherwise known as : lipid bilayer ( a thin membrane made of molecules ) as well as a few other minor to average components.

Haemoglobin is made up of a protein called globin which is bound to a red pigment called heme (hence the name haemoglobin)

Globin is made up of 4 chains (polypeptide chains) embedded inside each of which is a heme molecule, the latter has an iron atom (in ferrous state) in it. It is the iron atom which carries a molecule of oxygen. As there are 4 chains this means that there are 4 iron atoms which means that 4 molecules of oxygen can be carried by each haemoglobin.

Globulin

The coronary arteries are the blood vessels that supply glucose and oxygen to the heart muscle. These arteries branch off the aorta and encircle the heart, delivering nutrients and oxygen-rich blood to support proper heart function.

The heart pumps blood throughout the body by contracting and relaxing to create pressure that pushes the blood through the blood vessels. Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart. This cycle of blood flow helps deliver oxygen and nutrients to cells and remove waste products from the body.

If a human red blood cell is placed in a hypotonic environment, the red blood cell will swell and eventually burst. The reason for this is because a hypotonic solution has a higher osmotic pressure compared to the cytoplasm of the red blood cell. Thus, the water from the hypotonic solution moves into the red blood cell causing it to rupture.

No, T and B cells are not phagocytes. T cells are a type of lymphocyte involved in cell-mediated immunity, while B cells are another type of lymphocyte responsible for producing antibodies. Phagocytes are a different type of immune cell that engulf and digest pathogens.

Lysosomes are the organelles that contain enzymes responsible for breaking down material engulfed by phagocytes. They help in the digestion of foreign particles or damaged organelles within the cell.

There are many measures of Arterial Blood Gases.

The most common measure oxygen (by PaO2) and carbon dioxide (by PaCO2) levels.

Normal PaO2 is 80-100 mmHg. Normal PaCO2 is 35-45 mmHg. Bicarbonate is sometimes measured and its value is 22-26 mmHg. Other measurements are also taken depending on the situation.

Source: http://en.wikipedia.org/wiki/Arterial_blood_gas

Neutrophils, a type of granulocyte (a type of white blood cell including neutrophils, eosinophils and basophils), is the most abundant white blood cell in the body. They are the most important component of the body's innate immune system. They are crucial for the generation of an acute inflammation response that is the body's first answer to almost all insults (foreign body, microbe invasion, etc). Their primary function is to phagocytose microorganisms and kill them with reactive oxygen species (superoxide, peroxide, hypochlorous acid) generated by a 'repiratory burst' (using the enzyme NADPH oxidase). Being granulocytes, they can also degranulate. However their degranulation capability is not as prominent as their innate phagocytotic capability. Eosinophils and basophils are more adapt at mediating their effects through degranulation.

White blood cells are typically smaller than red blood cells and have a round or irregular shape. Under a microscope, they appear colorless with a nucleus and may exhibit granules or other structures depending on the type of white blood cell.

A Mosquito, a flying parasite, doesn't actually kill people by its own merit. 1-2 a year most likely. What makes mosquitoes so deadly is their disease transmission. When a mosquito attaches to a host, it draws blood as a means of nourishment. incidentally, mosquitoes go mostly unchecked in areas such as Africa, which also has many unchecked diseases. In one feeding, a mosquito can easily bite 4 to 5 people, and assuming that the mosquito has bitten an infected host, it can then transmit that disease to 4 to 5 people. So it follows that the number of infected can increase exponentially, for when one of the 4-5 people is bitten by another mosquito, that mosquito can go on to infect another 4-5 people.

SO

Mosquitoes worldwide infect around 250 million people with malaria. About 2-3 million people die from it. The remainder of the diseases that mosquitoes carry kill in the hundreds of thousands.

No, blood is not an alloy. An alloy is a mixture of two or more metals, while blood is a complex fluid that contains various components such as red and white blood cells, platelets, and plasma.

quaternary structure in protein. Hemoglobin is composed of four subunits—two alpha and two beta chains—that come together to form a functional molecule capable of binding and transporting oxygen in the blood. The interactions between these subunits demonstrate how multiple protein subunits can assemble to create a complex, functional protein.

Neutrophils are a type of white blood cell that originate from hematopoietic stem cells in the bone marrow. They play a crucial role in the innate immune system by ingesting and destroying pathogens like bacteria and fungi. Neutrophils are released into the bloodstream where they migrate to sites of infection or inflammation.

The red cell membrane contains approximately equal amounts of lipids and proteins. Membrane lipids are either phospholipids or neutral lipids, mostly unesterified cholesterol. Membrane phospholipids are asymmetrically arranged into a lipid bilayer two molecules thick. Choline phospholipids are more abundant in the extracellular surface whereas amino phospholipids are more concentrated on the inner leaflet of the bilayer. Cholesterol is intercalated between the phospholipid molecules. The relative amounts of cholesterol and phospholipids are responsible for the fluid properties of the erythrocyte membrane. Alterations in the membrane cholesterol-phospholipid ratio result in morphologically abnormal erythrocytes with decreased life span. Membrane proteins are also asymmetrically oriented within the lipid bilayer and can be divided into three functional sets: structural, catalytic and receptor proteins. Sprectrin and actin are the two main structural proteins that together form a submembranous cytoskeletal meshwork that is responsible for the viscoelastic properties of the erythrocyte membrane. Band 3, or the anion channel, is a major transmembranous protein involved in the transport of water and anions and is a carrier of the blood-group-I antigen. Glycophorin A, a sialic-acid-rich glycoprotein, is the major contact or receptor membrane polypeptide that also spans the lipid bilayer. The MN blood group determinants and possibly other biologic receptor sites have been localized on the extracellular portion of glycophorin A. At least 35 to 40 enzymes are confined to the membrane and, undoubtedly, play a vital role in the maintenance of normal structure and function of the erythrocyte.

This process is called chemotaxis. Phagocytes and white blood cells are attracted to the site of inflammation by chemical signals released by damaged cells. Chemotaxis helps these cells locate and eliminate pathogens and damaged tissue in the inflamed area.

DNA synthesis, properly known as Replication.

No, the heart pumps blood through the body using its strong muscle contractions. The circulatory system is responsible for transporting the blood to all parts of the body, including delivering oxygen and nutrients and removing waste products.

In DNA t is transcribed into t. It is only in RNA that t is transcribed into u.

Platelets release various substances such as growth factors, clotting factors, and inflammatory mediators in the vicinity of an injury. These substances help promote the clotting process, attract other immune cells to the site, and stimulate tissue repair and healing.

Function: Regulation of the endocrine system by cyclic rhythms of such hormonal stimuli related to light and sleep patterns through positive and negative feedback responses, permits this complex system to regulate the body's chemistry.