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Intro to Physiology Nervous and Endocrine Systems Circulatory and Respiratory Systems Digestive System and Excretory System Immune system
100
What is an organ?
A group of tissues performing a specific function.
100
What are the structures that make up the central nervous system?
The brain and spinal cord.
100
What are the four components of blood?
Plasma, RBCs, WBCs, and Platelets
100
What is the stomach?
J shaped muscular bag involved in both mechanical and chemical digestion.
100
What is a pathogen?
Any agent that causes disease
200
What is the brain?
Organ found in the cranial cavity.
200
What are hormones?
Substances secreted by cells that act to regulate the activity of other cells
200
What is the functions of blood?
Transport nutrients and oxygen
200
What is the liver?
Organ that stores glucose, makes proteins, secretes bile, and breaks down toxic substances.
200
What is HIV?
Infects T-cells of the immune system.
300
What is homeostasis?
The steady-state physiological condition of the body
300
What is an action potential?
Electrical signal that transmits information away from the nerve cell body.
300
What is the right atria and right ventricle?
Heart chambers that transport deoxygentated blood.
300
What is peristalsis?
The series of rhythmic muscular contractions and relaxations.
300
What are first line defense barriers of immune system?
Skin, mucus and sweat
400
What is muscular, nervous, epithelial, and connective?
4 main types of tissue
400
What is an endocrine gland?
Ductless organ that secrete hormones either into the bloodstream or the fluid around cells.
400
What is internal function of the respiratory system?
Exchange of gases between the blood and the cells
400
What are the organs of the excretory system?
The lungs, kidneys, and the skin.
400
What is an antigen?
Any substance that the immune system can recognize and react with.
500
What is a negative feedback loop?
A secondary substance decreases production of the first substance
500
What is the somatic nervous system?
Voluntary control of the skeletal muscles is performed by this division of the nervous system.
500
What is type O blood?
Can give blood to any blood type
500
What is diabetes mellitus?
If glucose levels are found to be high in urine, then the person could have...
500
What is phagocytosis?
The process by which a WBC engulfs a bacteria.




Human Physiology

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