🗊 Презентация Warm-Up

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Слайд 1


Warm-Up (Ch. 41) List the locations where each of the 4 macromolecules are chemically digested. (Ch. 41) Where do vertebrates store excess calories?...
Описание слайда:
Warm-Up (Ch. 41) List the locations where each of the 4 macromolecules are chemically digested. (Ch. 41) Where do vertebrates store excess calories? (Ch. 42) Draw and label the structure of a human heart. (Ch. 42) List the pathway of a single red blood cell through the heart.

Слайд 2


Circulation Chapter 42 – Part I
Описание слайда:
Circulation Chapter 42 – Part I

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What you need to know: Circulatory vessels, heart chambers, route of mammalian circulation Evolution of the heart from 24 chambers How RBC’s...
Описание слайда:
What you need to know: Circulatory vessels, heart chambers, route of mammalian circulation Evolution of the heart from 24 chambers How RBC’s demonstrate structure/function Blood pressure Cardiovascular disease (Roles of diet, BP, genetics)

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Transport systems (circulation) linked with gas exchange (respiration) Diffusion of gases only rapid across small distances
Описание слайда:
Transport systems (circulation) linked with gas exchange (respiration) Diffusion of gases only rapid across small distances

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Circulatory System = Blood + Vessels + Heart
Описание слайда:
Circulatory System = Blood + Vessels + Heart

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Figure 42.10a
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Figure 42.10a

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Types of Blood Vessels
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Types of Blood Vessels

Слайд 8


Blood enters through an atrium and is pumped out through a ventricle Blood enters through an atrium and is pumped out through a ventricle Fish =...
Описание слайда:
Blood enters through an atrium and is pumped out through a ventricle Blood enters through an atrium and is pumped out through a ventricle Fish = single circulation pathway, 2 chambers Double circulation: amphibians, reptiles, mammals

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Double circulation pathways in vertebrates
Описание слайда:
Double circulation pathways in vertebrates

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Pathway of blood through heart
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Pathway of blood through heart

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Figure 42.6
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Figure 42.6

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Cardiac cycle Systole: contraction or pumping phase Diastole: relaxation or filling phase Heart rate: # beats/minute (72 bpm resting) Stroke volume:...
Описание слайда:
Cardiac cycle Systole: contraction or pumping phase Diastole: relaxation or filling phase Heart rate: # beats/minute (72 bpm resting) Stroke volume: amount of blood pumped by L. ventricle during contraction (~70 ml)

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Figure 42.8-3
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Figure 42.8-3

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Valves: prevent backflow of blood The atrioventricular (AV) valves (tricuspid, bicuspid) separate each atrium and ventricle The semilunar valves...
Описание слайда:
Valves: prevent backflow of blood The atrioventricular (AV) valves (tricuspid, bicuspid) separate each atrium and ventricle The semilunar valves control blood flow to the aorta and the pulmonary artery “Lub-dup” sound = blood against closed AV valves (lub) / the semilunar (dup) valves Heart murmur: backflow of blood through a defective valve

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Sinoatrial (SA) node: pacemaker of heart, in right atrium
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Sinoatrial (SA) node: pacemaker of heart, in right atrium

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The pacemaker is regulated by two portions of the nervous system: the sympathetic and parasympathetic divisions The pacemaker is regulated by two...
Описание слайда:
The pacemaker is regulated by two portions of the nervous system: the sympathetic and parasympathetic divisions The pacemaker is regulated by two portions of the nervous system: the sympathetic and parasympathetic divisions The sympathetic division speeds up the pacemaker The parasympathetic division slows down the pacemaker The pacemaker is also regulated by hormones (epinephrine) and temperature

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Blood Pressure BP = systolic/diastolic pressure Systolic: heart contracts Diastolic: heart relaxed Normal: 120/70 Pulse: rhythmic bulging of artery...
Описание слайда:
Blood Pressure BP = systolic/diastolic pressure Systolic: heart contracts Diastolic: heart relaxed Normal: 120/70 Pulse: rhythmic bulging of artery walls with each heartbeat

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Using a Sphygmomanometer
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Using a Sphygmomanometer

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Figure 42.13
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Figure 42.13

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Lymphatic System: returns lost fluid and proteins to blood as lymph Lymph Nodes: filter lymph, house WBC’s Immune system role
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Lymphatic System: returns lost fluid and proteins to blood as lymph Lymph Nodes: filter lymph, house WBC’s Immune system role

Слайд 21


Blood Plasma (55%) – water, ions, proteins, gases, nutrients, wastes, hormones Cells (45%) – RBC, WBC, platelets Develop from stem cells in bone...
Описание слайда:
Blood Plasma (55%) – water, ions, proteins, gases, nutrients, wastes, hormones Cells (45%) – RBC, WBC, platelets Develop from stem cells in bone marrow Red blood cells (erythrocytes): O2 transport via hemoglobin White blood cells (leukocytes): fight infection Platelets (cell fragments): blood clotting

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Figure 42.17
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Figure 42.17

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Figure 42.18
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Figure 42.18

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Cardiovascular Disease Atherosclerosis: buildup of plaque deposits within arteries Heart attack (myocardial infarction): blockage of one or more...
Описание слайда:
Cardiovascular Disease Atherosclerosis: buildup of plaque deposits within arteries Heart attack (myocardial infarction): blockage of one or more coronary arteries Stroke: rupture or blockage of arteries in the head Hypertension: high blood pressure; promotes atherosclerosis and increases the risk of heart attack and stroke

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Figure 42.20
Описание слайда:
Figure 42.20

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