Unit 3: Internal Systems Flashcards

1
Q

function of blood

A

transport nutrients from digestive tract, oxygen, wastes

clot

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2
Q

components of blood

A

plasma, rbc, wbc, platelets

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3
Q

plasma

A

55%, yellow fluid, fluid tissue, every 24h
albumin: regulates H2O in plasma
fibrinogen: blood clotting
globulins: hormone carrier

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4
Q

red blood cell (erythrocytes)

A

45%, biconcave disc w/ no nucleus & small, red bone marrow, 120 days 1-2 million RBC / second, 5.5 (5.5 mil blood cells) L blood in males & 4.5 (4.5 mil blood cells) L blood in females

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5
Q

red blood cell function

A

transports O2 & CO2 to/from lungs and tissues

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6
Q

oxyhemoglobin

A

hemoglobin + oxygen (bright red)

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7
Q

carboxyhemoglobin

A

hemoglobin + carbon dioxide (dark red)

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8
Q

white blood cells (leucocytes/macrophage/granular)

A

1% of blood

red bone marrow

largest

neutrophils, eosinophils, basophils

lifespan: hours to days

function: engulfs bacteria, change shape to move to injury site, fight allergies

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9
Q

white blood cells (lymphocytes/agranular)

A

lymphocytes, monocytes

origin: lymph tissue (spleen & tonsils)

function: produces antibodies

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10
Q

plateletes

A

origin: lungs, red bone marrow

function: blood clotting - thromboplastin, antihistamines

lifespan: 7-10 days

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11
Q

pH of blood

A

7.4

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12
Q

L of blood in adults

A

5

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13
Q

antigen

A

chemical marker on surface of cell

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14
Q

antibody

A

looks for specific antigen, causes it to clump up/destroyed/removed

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15
Q

why antigen-antibody blood pair bad

A

clog capillaries -> lack of oxygen, nutrient delivery -> death

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16
Q

heart

A

located slightly left to middle of chest

size of fist

cardiac muscle

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17
Q

chambers of heart

A

4 (2 ventricles & 2 atria)
left right chambers separated by septum

18
Q

path of blood

A

superior/inferior vena cava → right atrium → atrioventricular valve → right ventricle → semilunar valve → pulmonary artery → lungs → left atrium → atrioventricular valve/bicuspid valve → left ventricle → semilunar valve → aorta

19
Q

right ventricle

A

receives blood from right atrium

deoxygenated blood -> pulmonary artery

20
Q

inhalation

A
  1. diaphragm contracts and moves down
  2. internal intercostal muscles contract and the thoracic cage moves up and out
  3. chest cavity volume increases and thoracic cavity air pressure decreases
  4. air moves from high pressure to low pressure (air rushes into the lungs
21
Q

exhalation

A
  1. diaphragm relaxes & moves up
  2. external intercostal muscles relax and inner intercostal muscles contract and thoracic cage moves down and in
  3. lung volume down, air pressure up
    high air pressure -> low air pressure (outside the boyd)
  4. chest cavity squeezing action propels air out of lungs and is aided by elastic recoil of tissues and thoracic abdominal wall muscles
22
Q

vitamins

A

organic compound (water or fat soluble)

23
Q

minerals

A

inorganic compounds & not source of energy but needed to maintain health

24
Q

macromolecules of life

A

sugars –> polysaccharides
fatty acids –> fat/lipids/membranes
amino acids –> proteins
nucleotides –> nucleic acid

25
Q

carbohydrates

A

1 C : 1 H2O

26
Q

isomers

A

same formula, different structure

27
Q

ribose

A

C5H10O5

28
Q

manose glactose fructose glucose

A

C6H12O6

29
Q

simple carbs

A

sugar

30
Q

complex carbs

A

starch & cellulose fiber

31
Q

monosaccharide (simple sugar)

A

one sugar, -ose

glucose fructose galactose ribose manose hexose (C6H12O6)

32
Q

disaccharide (carbohydrate)

A

2 sugar
hydrosynthesis
hydrolysis
sucrose (glu + fru)
lactose (glu + gal)
maltose (glu + glu) starch

33
Q

polysaccharide

A

carb made of ion chain or repeating sugar units (monosaccharide)

starch
glycogen (in liver)

34
Q

lipids

A

glycerol & side chains
ex. triglyceride, phospholipids, sterols

35
Q

saturated fatty acid

A

not missing H + no double bonds

36
Q

unsaturated fatty acid

A

missing H + double bonds

37
Q

animal fats

A

high saturated fatty acid + solid at room temp

38
Q

high unsaturated fatty acid + glycerol

A

liquid (oils) (exception: coconut oil)

39
Q

protein

A

ion polymer chain of amino acids bonded together

40
Q

amino acid

A

20
12 can be made by human - necessary
8 cannot be made by human - essential

41
Q
A