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Biology 114 Chapter 1 Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
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Biology 114 Chapter 1 Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
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Biology 114 Chapter 1 Exam | Questions And Answers Latest {2024- 2025} A+Graded | 100% Verified
Biology - The study of life
cells
organization
responsiveness
regulation
growth
development
reproduction
metabolism - List the common characteristics shared by all living things
Distinguish between growth and development - growth refers to an organism's increase in size;
development refers to changes in structure and functions (maturation)
Describe the basic processes in humans and animals - respiration, digestion, circulation, excretion
Explain the link between anatomy and physiology - anatomy is the study of internal and external body
structures; physiology is the study of how living organisms carry out their functions
Predict what would happen to the function of a structure if its anatomy would alter - the structure's
function would likely become impaired or eliminated
Name the simplest level of organization that includes the smallest living units in the body - cellular level
Define Organ - two or more tissues working together to perform a particular function
,Describe the general roles of the different type of muscles tissue - skeletal muscle- moves bones of
skeleton cardiac muscle-pumps blood through blood vessels
smooth muscle- moves materials along internal passageways
identify the four primary tissue types and explain the functions of each - epithelial-covers
external/internal surfaces and produces secretions
connective-fills internal spaces and provides support
muscle-specialized to contract and produce movement
nervous-transmits information
which two organ systems are involved with circulation in the body? - cardiovascular and lymphatic
systems
Describe how falling down the stairs could affect at least six of the organ systems - 1)broken
bone(skeletal system)
2)disruption of skin integrity (integumentary system)
3)broken bone tearing through a muscle (muscular system)
4)blood loss at injury site (cardiovascular system)
5)mobilization of cells to fight infection (lymphatic system)
6)pain as a result of trauma (nervous system)
How would a nervous system disorder affect the muscular system? - spinal cord injury could lead to no
mobility; parkinson's can cause muscle tremors
How would a respiratory system disease affect the cardiovascular system? - asthmatic patient could
have trouble breathing which would lead to blood not being fully oxygenated
How would a reproductive system disorder affect the urinary system? - an STI through the urethra could
spread up towards the bladder and kidneys, leading to a more serious infection
Why is homeostatic regulation important to an organism? - failure to maintain homeostasis can lead to
illness or death
, describe the three parts necessary for homeostatic regulation - 1) receptor/sensor
2)control/integration center
3)effector
Explain the function of negative feedback systems, and give an example of homeostatic regulation by
negative feedback in the body. - provide long term control over a body's internal conditions and systems
by counteracting any stimulus. EX: temperature regulation, skin sweats and vasodialation occurs to cool
the body off
Why is positive feedback helpful in blood clotting but unsuitable for the regulation of body
temperature? - because it is extreme and only works well for short jobs. it would keep increasing body
temp and lead to death
What is the relationship between an atom and matter? - an atom is the smallest stable unit of matter;
matter is anything that takes up space and has mass
Which subatomic particle has a positive charge? Which are uncharged? - protons have a positive charge;
neutrons are electrically neutral
Describe the subatomic particles not in the nucleus - electrons have a negative charge and whirl around
the nucleus in the electron cloud
Describe trace elements - chemical elements found in very small amounts in the body that are required
for normal growth and maintenance
List the chemical symbols for the six most abundant elements in the human body and their total
percentage contribution to total body weight - O, C, H, N, Ca, and P. 99.3% of total body weight
State the octet rule - Atoms are generally most stable when they have a full eight electrons in their
valence energy level
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