Ch. 39 - Circulatory System - USD 388 Ellis, KS

Ch. 39 - Circulatory System - USD 388 Ellis, KS

Ch. 47 Circulatory System Draw the heart SA node top (pacemaker) AV node bottom pg. 995 Blood Pressure Systole top reading Diastole bottom reading 120/80 pg.996

Heart pg.994 Located under the sternum; about the size of a fist. Averages 72 beats/min Pumps 5.5 L of blood per minute. Protect with a sac-like membrane around it called the

pericardium. Divided into right & left sides by a septum. Causes of heart rate increase 1. Carbon dioxide 2. Increase in temperature 3. Hormones

4. Brain reflex (scared) Blood Vessels Artery, vein, capillaries pg. 991 Muscles in the vessels 1. Connective 2. Smooth 3. Endothelium Why is the artery thicker than

the vein? What is the largest blood vessel? Aorta, Why? Arteriesarteriolescapillaries venulesveins Vercose veins close to the skins surface Can cut or strip these out.

Pulmonary Artery only artery to carry Deoxygenated blood. Pulmonary Vein only vein to carry oxygenated blood. 3 subsystems of circulation 1. Coronary Circulation

Heart 2. Renal Circulation Kidney 3. Hepatic portal Circulation liver Blood Liquid tissue 9% body weight Average person has 5 Liters.

1. Plasma liquid portion 55% of the blood volume Sticky, straw-colored liquid 90% water 2. Red Blood Cells (erythrocytes) pg. 988 Formed in the liver, spleen, and bone marrow.

Flat disks with 2 concave surfaces. They help transport oxygen. Hemoglobin is a protein that forms with RBCs Molecule inside RBCs that transports oxygen. There are about 30 trillion RBCs

in the human body at once. They live for only about 130 days. About 2 million RBCs are regenerated every second. 3. White Blood Cells Ameboid movement Help defend the body against diseases.

Larger than RBCs They are phagocytes (engulf) WBCs carry antibodies that destroy foreign substances (colds & infections) 4. Platelets or throbocytes Start blood clotting process Live 7 to 11 days

Serum doesnt have clotting properties. Blood Types pg. 990 Antigens A,B,AB,O A antigen [A] , antibody [B] B antigen [B], antibody [A] AB antigen [A & B] , no antibody

O no antigen, antibody [A & B] Genotype A Ia Ia & IaIo B IbIb & IbIo AB IaIb O IoIo Universal receiver

AB Universal donor O Rh Factor pg. 991 Protein found in the blood, its a blood antigen. Named after the Rhesus monkey. 85% U.S. population positive

15% U.S. population negative Cant mix or it will agglutinate. Respiratory System Passage: - pg. 983 Nostrils, nasal passage, pharynx, trachea, bronchi, bronchi tubes, air sacs (alveoli)

What is the process of taking air into the lungs? Inhale What the process of letting air out? Exhale Your lungs holds about 6 L of oxygen Total Lung Capacity

You normally inhale about .5 L of oxygen. The maximum amount of air a person can inhale & exhale is 3500-ml Vital Lung Capacity The air you breathe in & out just sitting is 500-ml Tidal

Air The air you breathe in & then in some more is 1500-ml Complemental Air The air you breath out & then out some more is 1500-ml Supplemental Air The air that stays in your lungs

is 1000-ml Residual Air Respiration rate is the measurement of the # of times a person inhales & exhales in a minute. Men 15 16 Women & children 20 Exercise pg. 984 - 985

Recently Viewed Presentations

  • Learning how to recognize feeling s in self and others

    Learning how to recognize feeling s in self and others

    Tucker Turtle is a terrific turtle. He likes to play with his friends at Wet Lake School.Tucker tortuga es una tortuga fabulosa. Le gusta jugar con sus amigos en la Escuela del Lago.
  • Geography - eduBuzz.org

    Geography - eduBuzz.org

    The backs and bed of the river are dissolved by acids in the water Types of erosion Hydraulic Action - is the force of water hitting the banks of the river. It wears them away and causes them to collapse....
  • The Affordable Care Act (ACA): Impact on the

    The Affordable Care Act (ACA): Impact on the

    History of PCMH The patient-centered medical home is not a new concept it has evolved to define a model of primary care excellence 1967 "Medical Home" first use in 1967 by the American Academy of Pediatrics 1978 the World Health...
  • BCSSTA Conference on the EU: European Union Politics

    BCSSTA Conference on the EU: European Union Politics

    Languages, motto, flag, anthem, currency. Integration and issue of culture and identity. Debates surrounding state interdependence: Are nations always rooted in their own self-interest? Or has the EU created an existential crisis of the nation-state? Democratic debates - is the...
  • Allusions - Highland Park Middle School

    Allusions - Highland Park Middle School

    Allusions. What is an allusion? An allusion is a brief reference to a historical event, a literary work (including the Bible), a mythological character or story, a piece of music or art, a movie, or just a well-known person.
  • Why Do Some Gifted Children Have Anger Problems?

    Why Do Some Gifted Children Have Anger Problems?

    Cognitive Restructuring. "Turtle Technique." Thought Stopping. Journaling. Relaxation strategies. Know when to seek help. How Can We Manage This Anger? Generation of a Specific Plan A to Resolve the Problem: Assertiveness. Assistance from an adult. Acceptable "comebacks." "Buddy System ...
  • The Metric System

    The Metric System

    What element is Fe? mass of Fe(s) = 15.9 g density of Fe(s) = 7.87 g/cm3 Measurement up to 1790: Not a pretty picture! Standards Systeme International (SI) 1790 - French Academy of Sciences created the metric system Smaller Units...
  • Genomic Applications

    Genomic Applications

    Hutchinson-Guilford Progeria premature aging lifespan = 13.4 years retarded growth midface hypoplasia micrognathia alopecia low adiposity osteodysplasia