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Paper 2 IB Exam SEHS Questions With Correct Answers $12.49   Add to cart

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Paper 2 IB Exam SEHS Questions With Correct Answers

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Paper 2 IB Exam SEHS Questions With Correct Answers Function parts of vertebrae - answerBody - flattest part of each vertebrae Vertebral foramen create canal Intervertebral disc make column flexible and flatten bulge when compressed, Curvature increases strength, maintain balance and absorb sh...

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  • August 16, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IB SEHS
  • IB SEHS
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BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM




Paper 2 IB Exam SEHS Questions With
Correct Answers


Function parts of vertebrae - answer✔✔Body - flattest part of each vertebrae Vertebral foramen
create canal
Intervertebral disc make column flexible and flatten bulge when compressed, Curvature
increases strength, maintain balance and absorb shock

general functions of vertebrae - answer✔✔support the head,
protect spinal cord,
transmit weight from body to legs,
attachment points for ribs and muscles of back

functions of skeleton - answer✔✔protection of vital organs, support and maintain posture,
storage and release of minerals, blood cell production, lipid energy storage

types of bones - answer✔✔long, short, flat, irregular

factors affecting joint stability and range of motion - answer✔✔shape of bones, area of
intersection, flexibility of ligaments, influence of surrounding soft tissue

types of joints - answer✔✔fibrous, cartilaginous, synovial

function parts of synovial joint - answer✔✔articular cavity, articular cartilage, articular capsule,
synovial membrane, synovial fluid
menisus
bursae

articular cartilage function - answer✔✔cover articulating surfaces
reduce friction
absorb shock

,BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
protect bones

articular capsule function - answer✔✔prevent dislocation
surrounds joint
form ligaments

synovial membrane & fluid - answer✔✔secretes synovial fluid
lubricates joint cavity
supplies nutrients to cartilage

meniscus - answer✔✔fibrocartilage
semilunar discs
allows bones fit tightly

bursae - answer✔✔small fluid-filled sacs where conflict of structures
lined by synovial membrane
lubricate reduce friction

different kinds of joints - answer✔✔gliding joint - flat
hinge joint - elbow
pivot joint - radioulnar
condyloid - radius + carpals
saddle - carbal metacarpal of thumb
ball and socket -shoulder

types of muscle - answer✔✔skeletal - voluntary, striated, tendon to muscle to bone, movement
cardiac - involuntary, intercalated disks, striated
smooth - lines blood vessels, involuntary, not straited

4 functions of muscle - answer✔✔movement
move substances in body
stabilize and maintain body posture
body temperature (85)

properties of muscle - answer✔✔contractility

, BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
extensibility
elasticity

fascia definition - answer✔✔connective tissue surrounding groups of muscle that perform same
function innervated by same nerve

origin and insertion of muscle - answer✔✔tendon at end, connecting two joints. Attachment
point stay fixed is origin, point that moves is insertion

inspiration in respiratory system - answer✔✔diagram contracts down
external intercostal pull rib up & out
thoracic cavity volume increase, pressure decrease

expiration in respiratory system - answer✔✔diagraph relax
decrease volume
external intercostal relax
thoracic cavity volume decrease
pressure increase

minute ventilation - answer✔✔describes volume of air being exhaled per minute. Ve(L.min^-1) -
Vt(L.breath^-1) x Br(breaths.min^-1)

cardiovascular system - answer✔✔5 liters of blood
55% blood = plasma

platelets - answer✔✔assist repair of wounded tissue <1% of blood

leukocytes - answer✔✔engulf pathogens, immune response, combat disease <1% blood

plasma - answer✔✔water in blood where metabolites dissolve for transport, help transport, Co2
dissolve

cardiac output formula - answer✔✔cardiac output = (heart rate x stroke volume) / 1000

cardiovascular drift outline - answer✔✔remains constant with demand
heart rate increase slowly
stroke volume decrease
thermoregulation = peripheral displacement of blood, dehydration, tachycardia

trainng-induced changes - answer✔✔lower resting heart rate

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