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Responses to Pathogens (c-11)

Across
These are single-celled microorganisms, some cause disease in humans.
The < > system is a network of lymphatic vessels that carry a clear fluid called lymph.
The outer protective cell layer of animals and plants.
These white blood cells engulf and digest cellular debris, pathogens and apoptotic cells.
This cell type lines the interior surface of blood vessels and lymphatic vessels.
The < > system is a host defense system which protects against disease.
< > are the most abundant type of white blood cell - the first to arrive at the site of an infection.
A tiny pore on the surface of a leaf, which is site for plant gaseous exchange.
A response of the body which is triggered by damage to living tissues.
A process of programmed cell death which occurs in multicellular organisms
A viscous slippery substance secreted by mucous membranes.
The community of bacteria and other microorganisms that live in or on another living organism
A < > is a response of biological tissue to any foreign material in the tissue.
Down
This cell type covers the body surface, lines blood vessels, body cavities and hollow organs.
< > are molecules that cause fever, produced by both pathogens and phagocytes.
This is a biological agent which can cause disease to its host.
The process by which cells internalise solid matter, including microbial pathogens.
The wavelike muscular contractions of the alimentary tract that moves food along.
A circular muscle that maintains constriction of a body passage or orifice.
The < > is a cartilaginous tube, allowing airflow, that connects the pharynx to the lungs.
An oily substance found on the skin which prevents dehydration and is antimicrobial.
This is a fibrous structural protein, the key material of hair and the outer layer of human skin.