Is the human immune system simple or complex?
complex
The immune system maintains _____.
Homeostasis
Cells, Tissue, and _______ work together to protect the human body.
ORGANS
The first line of defense consists of _____
(surface barriers; skin, mucous membrane)
In general, _____s have very similar immune systems to humans. (class of animals, not necessarily dogs or fish)
mammals
What is Bone Marrow?
Soft tissue that is found in long bones of arms and legs, the vertebrae, and pelvic bones of the body.
If infectious microorganisms invade the body, the body tries to do what to get rid of them?
use white blood cells to destroy the invader
Leukocytes are _______blood cells and they protect the human body against ______. *******DAILY DOUBLE*********
White
Invaders
What is a non-specific immune cell
(a cell that responds to many antigens, not just one specific antigen)
Name one difference between the immune systems of fish and humans.
Immune system of fish is not as complex as humans, fish have a mucus membrane and scales that protect them, the immune system of a fish is dependant on the environment like temperature and pollution
What does bone marrow make?
Leukocytes
The immune system keeps what specific microorganisms out of the body?
Bacteria, viruses, and fungi
Lymph Nodes carry a liquid called lymph which does what?
Traps bacteria, viruses, and other foreign substances
What is an antibody?
(blood protein that counteracts a specific antigen)
Name one difference between the immune systems of dogs and humans.
Dogs are susceptible to diseases that humans are not/ humans are able to get diseases dogs cannot, levels of white blood cells