FINAL EXAM| 248 SET OF ACTUAL QUESTIONS &
VERIFIED ANSWERS || GRADED A+| LATEST UPDATE
1. name the levels of organization in the human body starting with a molecule-
ANS molecule
macromolecule
organelle
cell
tissue
organ
organ system
organism
,2. what are the levels of organization in the heart ANS amino acids -->
proteins proteins --> contraction-filament organelles
organelles --> muscle cells
muscle cells --> muscle tissue
muscle tissue --> muscle (organ like a heart)
heart --> other organs --> organ system
organ systems --> organism (human being)
3. what is the definition of anatomy? ANS the study of structure (greek for a
cutting up)
4. what is the definition of physiology? ANS the study of function (greek for
relation- ship to nature)
5. what is structure ALWAYS related to? ANS function
6. what are the characteristics of life? ANS
respiration digestion
absorption
assimilation
circulation
excretion
7. what are the main goals of respiration? ANS obtaining oxygen and removing
car- bon dioxide from the body
8. what is the definition of assimilation in the body? ANS changing of
absorbed substances into chemically different forms
9. what happens when homeostasis is out of whack? ANS disease, organ
systems malfunctioning
10. what are the different organ systems in the body? ANS skeletal
system muscular system
digestive system
,cardiovascular/respiratory system
renal/urinary system
, endocrine system
nervous system
11. what are the major organs in the skeletal system? ANS
bones cartilage
bone marrow
12. how many bones are in the human body? ANS 206 bones
13. what are the functions of the skeletal system? ANS provides
support provides protection
stores calcium/other minerals
forms blood cells
14. how is skeletal muscle organized? ANS muscle attached to
tendon tendon attached to bone
15. what are the major organs in the muscular system? ANS skeletal
muscles associated tendons
16. how many muscles are there in the body ANS 650 muscles
17. how does the muscular system use the energy in the body ANS 40%
energy muscle contraction
60% generate heat
18. what are the functions of the muscular system ANS provides
movement provides protection/support
generates heat to maintain body temperature
19. what are the two main components of muscles? ANS myosin and actin
20. how many leg muscles are required to walk> ANS 12
4 H/ H38