Biology, asked by murtazabilal, 1 year ago

WHAT IS BLOOD?And what are RBC's?

Answers

Answered by CoruscatingGarçon
8

Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates, it is composed of blood cells suspended in blood plasma.

A type of blood cell that is made in the bone marrow and found in the blood. Red blood cells contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body. They are also called erythrocytes.

Answered by divya936
1
Blood is a red coloured liquid which circulates in our body. It is red in colour because it contains a red pigment called haemoglobin in its red cells. Blood is a connective tissue,  consists of four things namely Plasma, Red blood corpuscles (Red blood cells or RBCs), White blood corpuscles (White blood cells or WBCs) and platelets



Blood regulates body temperature.It carries oxygen from lungs to different parts of the body.It carries carbon dioxide from the body cells to the lungs for breathing out.It carries digested food from the small intestine to all parts

Blood is a red coloured liquid which circulates in our body. It is red in colour because it contains a red pigment called haemoglobin in its red cells. Blood is a connective tissue,  consists of four things namely Plasma, Red blood corpuscles (Red blood cells or RBCs), White blood corpuscles (White blood cells or WBCs) and platelets.

Plasma is a liquid also known as Fluid matrix consist of three types of cells which keep floating in it

Functions of Blood

Blood has three main functions in the human body i.e Transport of substances from one part of the body to the other like respiratory gases, waste products, enzymes etc, Protect against diseases and Regulation of body temperature.

Blood regulates body temperature.It carries oxygen from lungs to different parts of the body.It carries carbon dioxide from the body cells to the lungs for breathing out.It carries digested food from the small intestine to all parts of the body.It carries hormones from the endocrine glands to different organs of the body.

Red Blood Corpuscles (RBC)

Also known as erythrocytes are disc- shaped cells concave in the middle and visible under a microscope. RBC carries oxygen from the lungs to all the cells of the body. They have no nucleus and contain a pigment called haemoglobin which is made up of an iron containing pigment known as haema and a protein called globin. RBCs are produced in the spleen and the bone marrow and live for about four months because they lack nucleus.


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