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BIOL 150B Final QUESTION AND ANSWERS CORRECTLY SOLVED 2024
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BIOL 150B Final QUESTION AND ANSWERS CORRECTLY SOLVED 2024
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BIOL 150B Final QUESTION ANDANSWERS CORRECTLY SOLVED (46
PGS)
. _________ are sheets of closely packed cells that cover the body surfaces
and line internal organ and cavities. Functions include providing a protective
barrier and surface for gad and fluid exchange from side to side. - correct
answer ✔Epithelial tissues
The base of the epithelium is attached to _________, a dense mat of
extracellular matrix (fibrous proteins and sticky polysaccharides) that
separates the epithelium from underlying tissues. - correct answer ✔basal
lamina
________ surfaces faces the outside of an organ or the inside of a tube or
passage. - correct answer ✔Apical
In lungs, simple ___________ is thin and leaky - allows for __________. In
Intestines, simple __________ has a large amount of cytoplasm, facilitating
absorption of ___________. - correct answer ✔squamous epithelium, gas
exchange, columnar epithelium, nutrients
__________ has many layers -> resistant to abrasion e.g., outer skin, mouth,
esophagus. - correct answer ✔stratified epithelium
_______ - sparse populations of cells scattered throughout the extracellular
material (matrix) that binds and supports other tissues. - correct answer
✔Connective Tissue
Fibres are often make of a protein called? - correct answer ✔collagen
,__________ are often collagen and other elastic proteins. Functions to bind
epithelia to underlying tissue and hold organs in place. - correct answer
✔Loose connective tissue
Tendons and ligaments are ___________. Bundler of collagen fibres
maximize strength. - correct answer ✔fibrous connective tissue
__________ stores fat: pads of organs, stores energy, insulates. - correct
answer ✔Adipose tissue
_________ is strong, but flexible connective tissue; collagen fibres embedded
in rubbery material. Shock absorption, cushioning disks. - correct answer
✔Cartilage
______ is matrix collagen fibres embedded in hard mineral substances
(calcium, magnesium & phosphate). - correct answer ✔Bone
__________: extracellular matrix is a liquid called plasma (water, salts,
dissolved proteins) Red blood cells, white blood cells, and platelets are
cellular components of ________. - correct answer ✔Blood
Collagen makes up _____% of our skin. In our 20s, we begin losing about
_____% of our collagen per year - correct answer ✔20, 1
Sun exposure, cigarettes smoke and pollution can accelerate? - correct
answer ✔collagen breakdown
The term _____ is used for some types of connective tissue. _______ is the
lowermost layer of the skin (mix of loose and adipose connective tissue.
,_______ is a layer of dense fibrous connective tissue which surround
individual muscles, dividing groups of muscles into compartments. - correct
answer ✔Fascia, loose fascia, deep fascia
__________ are long cells containing contractile proteins (actin and myosin).
_______ - attach to bones with tendons are responsible for voluntary
movements (striped appearance)_______ is found in the hard provides
involuntary control, its fibres are branched, interconnecting at junctions to
rapidly relay signal to contract among cells during heartbeat. __________ -
walls of the digestive tract, arteries, and other internal organs (lacks striations
and involuntarily controls peristalsis. - correct answer ✔muscle cells, skeletal
muscle, cardiac muscle, smooth muscle
______ = nerve cell - correct answer ✔neuron
_______ senses stimuli and rapidly transmits information. Conducts electrical
nerve impulses. Dendrites and cell body receive signals from other neutrons.
Axon transmits signals forward and many other nervous cells support
neutrons. - correct answer ✔Nervous tissue
_______ = skin, hair, nails,and endocrine glands. Protects against injury,
infection, heat and cold, and drying out. - correct answer ✔Integumentary
system ingests and digests food, absorbs nutrients, eliminates undigested
materials. - correct answer ✔digestive
The _______ system delivers O2 and nutrients to body cells, transports CO2
to lungs, metabolic wastes to kidneys. - correct answer ✔Circulatory
The ________ system removes waste products from blood. - correct answer
✔Urinary
, The ________ system secretes hormones that regulate body activities,
maintains the body's internal steady state (homeostasis). - correct answer
✔Endocrine
The ___________ system produces gametes and sex hormones. - correct
answer ✔Reproductive
The _____ system coordinates the body's activities by directing stimuli,
integrating information, directing the body's response. - correct answer
✔Nervous
The ________ system supports the body, protects organs (brain, lungs),
framework for muscle and movement. - correct answer ✔Skeletal
The _________ system moves the body, maintains posture and produces
heat. - correct answer ✔Muscular
The ________ system returns excess fluid to the circulatory system and
functions as part of the immune system. - correct answer ✔Lymphatic
The _______ system defends against infections and cancer. - correct answer
✔Immune
Skin and derivatives (including horns, hooves, nails, scales, feathers' nd hair
are made of two layers of skin. The __________ is the inner layer of
connective
tissue with elastic & collagen fibres. It contains hair follicles, oil & sweat
glands, muscles, nerves, sensory receptors, blood vessels, immune cells
(macrophages). The second is the _______ , which is the outer layer -
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