Question

Long Answer type questions:
1. Differentiate between striated, unstriated and cardiac muscles.
2. Write a note on Fluid connective tissue.​

Answer 1

Striated MuscleUnstriated MuscleCardiac MuscleOn the Basis of Structure:Cells are cylindrical.Cells are long.Cells are cylindrical.Cells are not branched.Cells are not branched.Cells are branched.Cells are multinucleate.Cells are uninucleate.Cells are uninucleate.Alternate light and dark bands are present.There are no bands present.Faint bands are present.Its ends are blunt.Its ends are tapering.Its ends are flat and wavy.On the Basis of Location:These muscles are present in body parts such as hands, legs, tongue, etc.These muscles control the movement of food in the alimentary canal, the contraction and relaxation of blood vessels, etc.

These muscles control the contraction and relaxation of the heart.

fluid connective tissue

Blood and lymph are fluid connective tissues. Cells circulate in a liquid extracellular matrix. The formed elements circulating in blood are all derived from hematopoietic stem cells located in bone marrow (Figure 6). Erythrocytes, red blood cells, transport oxygen and some carbon dioxide. Leukocytes, white blood cells, are responsible for defending against potentially harmful microorganisms or molecules. Platelets are cell fragments involved in blood clotting. Some white blood cells have the ability to cross the endothelial layer that lines blood vessels and enter adjacent tissues. Nutrients, salts, and wastes are dissolved in the liquid matrix and transported through the body.

Blood and lymph are fluid connective tissues. Cells circulate in a liquid extracellular matrix. The formed elements circulating in blood are all derived from hematopoietic stem cells located in bone marrow (Figure 6). Erythrocytes, red blood cells, transport oxygen and some carbon dioxide. Leukocytes, white blood cells, are responsible for defending against potentially harmful microorganisms or molecules. Platelets are cell fragments involved in blood clotting. Some white blood cells have the ability to cross the endothelial layer that lines blood vessels and enter adjacent tissues. Nutrients, salts, and wastes are dissolved in the liquid matrix and transported through the body.Lymph contains a liquid matrix and white blood cells. Lymphatic capillaries are extremely permeable, allowing larger molecules and excess fluid from interstitial spaces to enter the lymphatic vessels. Lymph drains into blood vessels, delivering molecules to the blood that could not otherwise directly enter the bloodstream. In this way, specialized lymphatic capillaries transport absorbed fats away from the intestine and deliver these molecules to the blood.