define the following
1.platelets
2.haemoglobin
what is the role of haemoglobin in blood
Answers
Answer:
1 Blood platelets are one of the components of blood that help in the clotting of blood. The absence of platelets in the blood could lead to excessive bleeding and loss of blood
2.the oxygen-carrying pigment of red blood cells that gives them their red color and serves to convey oxygen to the tissues is called as Heamoglobin
The major function of haemoglobin is the transportation of oxygen from the lungs to all tissues of the body. Haemoglobin is the respiratory pigment which is formed of the iron-containing part known as haem and protein part known as globin
Explanation:
Answer: 1. Platelets are small colourless disc-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting.Also called thrombocyte.
2. Hemoglobina is a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a haem group.
role of hemoglobin in blood: Hemoglobin has a critical role in the body, as it is the protein in red blood cells (RBCs) that carries oxygen from the lungs to the tissues of the body. As such, abnormal levels of hemoglobin, or abnormal types of hemoglobin can result in serious disease.
Explanation: