Hierachy

Immune System

Thymus

Epithelial tissues

columnar cells

cuboidal cells

squamous cells

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Bone Marrow

Stromal

Stromal cells

Mesenchymal stem cells

hemopoietic

Hematopoietic stem cell

White blood cell

Spleen

White pulp

T cell

Red pulp

Red Blood Cells

Plasma

granulocytes

Tonsils

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Lymph Nodes

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Dense connective tissue

Fibroblast cells

Collagen fibers

Elastin fibers

Lymphatic System

Tonsils

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Spleen

White pulp

T Cells

Red pulp

Red Blood Cells

Plasma

granulocytes

Thymus

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Epithelial tissues

columnar cells

cuboidal cells

squamous cells

Appendix

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Lymph Nodes

Lymphatic Tissues

lymphocytes

macrophage cells

reticular cells

Dense connective tissue

Fibroblast cells

Collagen fibers

Elastin fibers

Bone Marrow

hemopoietic

Hematopoietic stem cell

White blood cell

stromal

Stromal cells

Mesenchymal stem cells

Musculoskeletal system

Bones

Bone Tissue

osteoblasts

osteoclasts

osteocytes

osteoprogenitor

Connective tissue

Fibroblast

Mast cells

Plasma cells

Bone Marrow

hemopoietic

Hematopoietic stem cell

White blood cell

stromal

Stromal cells

Mesenchymal stem cells

Muscles

Skeletal muscle tissue

Skeletal muscle cells

Smooth muscle tissue

Smooth Muscle Cells

Cardiac muscle tissue

Cardiac Muscle Cells

The immune system is made up of a network of cells, tissues, and organs that work together to protect the body against infection and maintain overall health.

Vaccines work by stimulating the immune system to produce antibodies against a foreign invader without actually infecting the individual with the disease.

An adult's skeletal system consists 206 bones, 32 teeth and a network of other structures that connect the bones together

Bones are strong and rigid, and built to withstand a lot of force, pound for pound, they are stronger than steel. But, surprisingly, they are not the hardest substance in the body. The teeth are.

Muscles make up 40% of your total body weight.

It takes half as long to gain muscle than it does to lose it

The smallest muscles are found in the middle of the ear

Autoimmune diseases occur when the immune system destroys its own healthy tissues.

When you experience an allergic reaction, your immune system is responding to a harmless allergen that it perceives as a threat.

Not getting enough sleep can wreak havoc on the body, and the immune system is no exception. Studies show that a lack of sleep may make you more likely to catch a cold and also makes it more difficult to fight off infection.

The common disease between all three systems is Leukemia. The organ and tissue that is common between all three systems is Bone Marrow. I said it is an organ and a tissue because in the immune system and lymphatic system, it acts like an organ but in the Musculoskeletal system it is a tissue. Leukemia begins in a cell in the bone marrow. The cell undergoes a change and becomes a type of leukemia cell. Once the marrow cell undergoes a leukemic change, the leukemia cells may grow and survive better than normal cells. Over time, the leukemia cells crowd out or suppress the development of normal cells. The rate at which leukemia progresses and how the cells replace the normal blood and marrow cells are different with each type of leukemia.