explain the following with diagram:
a) Blood
b) sclerenchyma tissues
c) striated muscles
d) cardiac muscles
e) collenchyma cells
Answers
Explanation:
Fluid connective tissue- blood.
A connective tissue is made up of cells and extracellular matrix. The extracellular matrix is made of protein, polysaccharide matrix, which is secreted by cells in extracellular matrix. The composition of extracellular matrix varies a lot and it determines the properties of connective tissue. For example- if extracellular matrix is in calcified form, then it can form bone or teeth; if extracellular matrix contains plasma then it can form blood. This way, the matrix can be jelly like, fluid, dense or rigid. Therefore, blood is a fluid connective tissue, which has plasma (liquid) as its matrix and red blood cells (RBC), white blood cells (WBC), platelets as cells.
Filling of space inside the organs- Areolar tissue
It is found in between skin and muscles, around blood vessels, neurons and also in bone marrow. Being soft and loose they carry out function of supporting internal organs and repairing of tissues by filling spaces.
Striated muscle- Skeletal muscle
Striated muscle tissues are tissues, which has pattern of repeating sarcomere. Sarcomere is the basic unit of muscle. Striated muscle tissue are of three types as skeletal, bronchiometric and cardiac. Striated skeletal muscle tissues are attached to bones and are voluntarily controlled, i.e., controlled by will.
Adipose tissue- Subcutaneous layer
Adipose tissue is a type of connective tissue in which fat is stored. They are generally located below the skin. The layer of adipose tissue beneath the skin is known as subcutaneous layer, which act as an insulator.
Surface of joints- Cartilage
Cartilage is a type of connective tissue in which solid matrix is made of protein and sugars. Cartilage is present on joint surface and makes it smooth.
Stratified squamous epithelium- Skin
Squamous epithelium cells are thin and flat and form a delicate lining. In skin such as squamous epithelium, cells are arranged in many layers hence, called as stratified squamous epithelium. It protects the body.
Answer:
blood is a connecting tissue
Parenchyma cells have thin primary walls and usually remain alive after they become mature. Parenchyma forms the "filler" tissue in the soft parts of plants, and is usually present in cortex, pericycle, pith, and medullary rays in primary stem and root.
Collenchyma cells have thin primary walls with some areas of secondary thickening. Collenchyma provides extra mechanical and structural support, particularly in regions of new growth.
Sclerenchyma cells have thick lignified secondary walls and often die when mature. Sclerenchyma provides Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissue, with the other two being skeletal muscle and smooth muscle. It is involuntary, striated muscle that constitutes the main tissue of the wall of the heart. The cardiac muscle (myocardium) forms a thick middle layer between the outer layer of the heart wall (the pericardium) and the inner layer (the endocardium), make me brainy