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praxis 5442 Exam- Life Science | Questions Solved 100% Correct
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praxis 5442 Exam- Life Science |Questions Solved 100% Correct
Specialized Cells & Tissues - ANSWER perform specialized functions in multicellular
organisms. Groups of specialized cells cooperate to form a tissue, such as a
muscle. Different tissues are in turn grouped together to form larger functional units,
called organs.
Organs - ANSWER Different tissues are in turn grouped together to form larger
functional units, called organs.
Organ System - ANSWER Groups of organs working together to carry out a specific
function
Circulatory System - ANSWER -Circulates blood around the body via the heart, arteries
and veins,
-delivering oxygen and nutrients to organs and cells and carrying their waste
products away.
-Keeps the body's temperature in a safe range.
, Digestive/ Excretory System - ANSWER -System to absorb nutrients and remove waste
via the gastrointestinal tract, including the mouth, esophagus, stomach and intestines. -
Eliminates waste from the body.
Respiratory System - ANSWER Brings air into and out of the lungs to absorb oxygen
and remove carbon dioxide
Muscular System - ANSWER Enables the body to move using muscles.
Nervous System - ANSWER Collects and processes information from the senses via
nerves and the brain and tells the muscles to contract to cause physical actions
Homeostasis - ANSWER the state of steady internal, physical, and chemical
conditions maintained by living systems. This is the condition of optimal functioning for
the organism and includes many variables, such as body temperature and fluid
balance, being kept within certain pre-set limits
Cellular Reproduction - ANSWER the process by which a parent cell divides into two
or more daughter cells. Cell division usually occurs as part of a larger cell cycle.
Mitosis - ANSWER The process by which a cell splits into two genetically
identical copies
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