one organism harming another
Need microschope to see. Fungi, protozoans (Pre-"animals"), bacteria, viruses.
Large enough to be seen. Worms, Arthropods. Part of life cycle outside of a host
-Outbreak: Escherichia coli (E. coli)
Food contaminated by feces for different species
usually harmless to humans
e. coli from other species produce proteins that injects toxins into cells of the intestine
-Long term: Cholera
Natural Disaster, re
Also known as the voice-box; connects the larynx to the trachea.
Tube leading from nasal and oral cavities that is connected to the trachea by the larynx.
The flap of cartilage at the entrance of the larynx that keeps food from e
Long-Term Stress Response
Brain-Hypothalamus-Pituitary Gland-Blood vessel-Adrenal cortex-Corticoids
retention of salt and water
increased blood pressure
proteins and fats converted to glucose
increased blood glucose
Autoimmune Disease where fluid is built in joints
Hypersensitivity Disease where Mast Cells (in epithelial tissues) release chemicals
that attack pathogens, sometimes they react when they are not supposed to.
Body learns to identify antigens
surface of pathogens
come from thymus. Learns to recognize things that shouldnt be in the body
come from bone marrow. Learns to recognize things that shouldnt be in the body
all chemical reactions of cells
Breaking down sugars, fatty acids and amino acids into energy. Use glucose, then fatty acids, then amino
Synthesis(making) of new molecules for maintenance, growth and secretion.
has the potential to metastasize(spread)
do not metastasize. Ok everywhere but the brain
Degree of Metastasis
Primarily due to infections
Defense (to cancer)
Natural killer cells (type of lymph
What is cancer?
destructive growth of cells
what are three ways cancer can spread?
what is metastasis?
cancer spreading from original location
what are the 3 most lethal cancers for women?