20 Questions
What is the basic structural and functional unit of an organism?
Cells
Which system is responsible for eliminating nitrogenous wastes and excess ions from the body?
Urinary system
Which structures are composed of two or more different types of tissues, with all 4 basic tissues represented?
Organs
What is the function of the cardiovascular system?
Distributes oxygen and nutrients to all body cells
Which system takes in nutrients, breaks them down, and eliminates unabsorbed matter (feces)?
Digestive system
What are the products of protein metabolism that are eliminated by the urinary system?
Nitrogenous wastes: ammonia, urea, uric acid, and creatinine
______ is the study of nerve cells
Neurophysiology
______ is the study of how hormones control body functions
Endocrinology
______ is the study of changes in cell and organ functions due to muscular activity
Exercise Physiology
______ is the functional changes associated with disease and aging
Pathophysiology
The ____________ system takes in oxygen and eliminates carbon dioxide
RESPIRATORY
The ____________ system distributes oxygen and nutrients to all body cells and delivers wastes and carbon dioxide to disposal organs
CARDIOVASCULAR
The ____________ system eliminates nitrogenous wastes and excess ions
URINARY
__________ - filters toxic substances
DIALYSIS
The small intestine consists of the Duodenum, Jejunum, and ____________
ILEUM
Lub - contraction; Dub - ____________ (Heart circulation)
RELAXATION
The ability to sense and respond to stimuli is called ____________
RESPONSIVENESS
The increase in size of a body part or organism is known as ____________
GROWTH
Cellular division for growth or repair is known as ____________
MITOSIS
Development of a cell from unspecialized to specialized state is called ____________
DIFFERENTIATION
Test your knowledge about the levels of biological organization, from atoms and molecules to cells, tissues, organs, and organ systems. Learn about the basic structural and functional units of organisms and how different levels work together.
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