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bio 20 > muscles > Flashcards

muscles Flashcards

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Biology 101 flashcards
1
Q

muscles

A
  • skeletal
  • smooth
  • cardiac
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2
Q

skeletal muscle cells

A
  • striated
  • many muclei
  • voluntary contraction
  • usually attatched to bones by tendons
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3
Q

smooth muscle cells

A
  • non-straited
  • one nucleus
  • involuntary contractions
  • in the walls of internall organs
  • responds to the sympathetic/parasympathetic nervous system
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4
Q

cardiac muscle cells

A
  • striated
  • one nucleus
  • involuntary contractions
  • in the walls of the heart
  • stimulated by sympathetic/parasympathetic nervous system
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5
Q

parasympathetic

A
  • relaxation
  • rest and digest
    ex. produces tears
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6
Q

sympathetic

A
  • fight or flight
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7
Q

muscle structure

A

muscle –> muscle fibre bundle –> muscle fibre –> myofibrils –> myofilaments

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8
Q

sacroplasm

A
  • “cytoplasm of the muscle fibre”
  • filled with Ca+ ions required for muscle contraction
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9
Q

myofibrils

A

FILAMENTS
- 5nm
- thin
- actin proteins like twisted
beads

MYOSIN PROTEINS
- 11nm
- bind to the filament with a
double head

bone –>tendon–>nerve–>muscle fibre–>sacroplasmic reticulum–>myofibril–>myofilaments

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10
Q

skeletal muscle arrangement

A

bone –>tendon–>nerve–>muscle fibre–>sacroplasmic reticulum–>myofibril–>myofilaments

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11
Q

renal artery

A

carry oxygenated blood from your heart to your kidneys

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12
Q

renal vein

A

carries deoxygenated blood from the kidney to the inferior vena cava

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13
Q

aorta

A

transports blood to the kidneys

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14
Q

inferior vena cava

A

collects deoxygenated blood.

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15
Q

kidney

A

remove waste products from the blood and produce urine
- filtration, reabsorption, secretion

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16
Q

ureter

A

carry urine from the kidneys to the bladder

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17
Q

urethra

A

allows urine to pass outside the body

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18
Q

urea

A

a less toxic waster from protein breakdown

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19
Q

anatomy of the excretory system

A

aorta –> renal artery –> kidney –> renal vein –> vena cava

20
Q

cortex

A

outside of the kidney
- tougher

21
Q

medulla

A

middle of the kidney
- salty

22
Q

renal pelvis

A

“reservoir” where all the veins and arteries are

23
Q

nephron

A

connected to the collecting duct and goes to the renal pelvis

24
Q
  • skeletal
  • smooth
  • cardiac
A

muscles

25
Q
  • striated
  • many muclei
  • voluntary contraction
  • usually attatched to bones by tendons
A

skeletal muscle cells

26
Q
  • non-straited
  • one nucleus
  • involuntary contractions
  • in the walls of internall organs
  • responds to the sympathetic/parasympathetic nervous system
A

smooth muscle cells

27
Q
  • striated
  • one nucleus
  • involuntary contractions
  • in the walls of the heart
  • stimulated by sympathetic/parasympathetic nervous system
A

cardiac muscle cells

28
Q
  • relaxation
  • rest and digest
    ex. produces tears
A

parasympathetic

29
Q
  • fight or flight
A

sympathetic

30
Q

muscle –> muscle fibre bundle –> muscle fibre –> myofibrils –> myofilaments

A

muscle structure

31
Q
  • “cytoplasm of the muscle fibre”
  • filled with Ca+ ions required for muscle contraction
A

sacroplasm

32
Q

THICK FILAMENTS
- 5nm
- actin proteins like twisted
beads

MYOSIN PROTEINS
- 11nm
- bind to the filament with a
double head

bone –>tendon–>nerve–>muscle fibre–>sacroplasmic reticulum–>myofibril–>myofilaments

A

myofibrils

33
Q

bone –>tendon–>nerve–>muscle fibre–>sacroplasmic reticulum–>myofibril–>myofilaments

A

skeletal muscle arrangement

34
Q

carry oxygenated blood from your heart to your kidneys

A

renal artery

35
Q

carries deoxygenated blood from the kidney to the inferior vena cava

A

renal vein

36
Q

transports blood to the kidneys

A

aorta

37
Q

collects deoxygenated blood.

A

inferior vena cava

38
Q

remove waste products from the blood and produce urine
- filtration, reabsorption, secretion

A

kidney

39
Q

carry urine from the kidneys to the bladder

A

ureter

40
Q

allows urine to pass outside the body

A

urethra

41
Q

a less toxic waster from protein breakdown

A

urea

42
Q

aorta –> renal artery –> kidney –> renal vein –> vena cava

A

anatomy of the excretory system

43
Q

outside of the kidney
- tougher

A

cortex

44
Q

middle of the kidney
- salty

A

medulla

45
Q

“reservoir” where all the veins and arteries are

A

renal pelvis

46
Q

connected to the collecting duct and goes to the renal pelvis

A

nephron

bio 20 (9 decks)

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