Share Science L7 The Immune System and the T cell
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Name a cell that arrives as the first line of defense when a pathogen breaks through the skin. A macrophage OR a neutrophil
Macrophage
What does a macrophage do? It destroys the pathogen OR it copies the pathogen
Destroys the pathogen
What are some of the first line defenses of the human body?
Skin, mucus, cilia, fever, inflammation
What is the first process called when the skin is broken? Hemostasis OR Inflammation
Hemostasis
What is the name of the cell that comes to the wound to cause clotting? Neutrophil OR platelet
Platelet
What sticks to the wound that creates a mesh like structure to hold the clot? The fibrin OR the platelet
Fibrin
Why does swelling at the wound occur? It creates space for the cells to work OR it is that there is more water present
Both
During the inflammation stage damaged cells are removed. True OR false
True
What is epithelialization? Is it when new cells grow OR when old cells are destroyed
New cells grow
What does collagen do to the wound area? It strengthens it OR it changes the function of the cells
Strengthens the tissue
Which cell is activated in the lymph node to attack the pathogen? The T cell OR the macrophage
T cell
Where do T cells come from in the body? From the bone marrow OR from the liver
Bone Marrow
T cells play a critical role in fighting only bacteria. True OR false
False
What does a macrophage have that gives it the ability to kill a pathogen? It has enzymes in its cytoplasm OR it has a chemical in its cytoplasm
Enzymes
How do the neutrophils destroy pathogens ? They release toxins OR they engulf the pathogen
Release toxins
Where do immune cells live? In the spine OR in the lymph nodes
Lymph nodes
