Organ systems of the body Flashcards

1
Q

What is the Nervous system? What parts of the body does it include? And what is its function?

A
  • Fast acting control system
    • Includes brain, spinal cord, nerves and sensory receptors
    • Regulates autonomic functions
    • Provides and interprets information about both internal and external environment.
    • Induces muscle contraction
      Responsible for cognitive processes.
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2
Q

What is the endocrine system? What parts of the body does it include? And what is its function?

A
  • Controls body activities
    • Includes Hypothalamus, pituitary gland, thyroid, parathyroid, adrenal glands, pancreas, gonads
    • Produces hormones which regulate growth, metabolism, water balance, behaviour, reproduction and cell division
      Acts much slower than the nervous system
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3
Q

What is the integumentary system? What parts of the body does it include? And what is its function?

A
  • Includes skin, glands, hair and nails
    • Protects against environmental changes
    • Senses the environment - touch, temperature and pain
    • Synthesis of Vit D ( from the sun)
    • Cools the body from heat
      Keeps a barrier between internal and external environment
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4
Q

What is the muscular system? What parts of the body does it include? And what is its function?

A
  • Includes skeletal muscle and tendons
    • Movement, maintains posture, generates heat, assits breathing
      Tendons connect bone to muscle
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5
Q

What is the Skeletal system? What parts of the body does it include? And what is its function?

A
  • Includes bone, cartilage and joints
    • Provides shape and support for the body, anchors muscle, protects vital organs, stores minerals (e.g. calcium) and involved in synthesis of blood cells
      Often joined with the muscular system = muscular-skeletal
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6
Q

What is the Cardio vascular system? What parts of the body does it include? And what is its function?

A
  • Heart, vessels and blood
    • Transports 0xygen and carbon dioxide
    • Transports hormones
    • Transports waste
    • Blood cells fight infection
    • Pumps blood around the body
      Clotting components in the body
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7
Q

What are the three circulatory systems?

A

There are three circulatory systems; the systemic, the pulmonary and the coronary.

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8
Q

What does the Pulmonary circulatory system do?

A

takes carbon dioxide to the lungs and picks up the oxygen

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9
Q

What does the Systemic circulatory system do?

A

takes oxygen to the tissues

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10
Q

What does the Conorary circulatory system do?

A

takes oxygen to the myocardium - if blood flow to the myocardium is impared. Much needed oxygen is not received, a patient may suffer chest pain called angina. The nurse needs to administer oxygen to the patient.

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11
Q

What must a nurse do if a patient has angina?

A

Administer oxygen to the patient to increase blood flow to the myocardium

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12
Q

What is the Lymphatic system? What parts of the body does it include? And what is its function?

A
  • Immune system
    • Includes Tonsils, thymus, lymph, spleen
    • May also include leukocytes/white blood cells
    • Defends us against infection
    • Filters and returns fluid from ECF to blood
      Transports digested fats to bloodstream
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13
Q

What is the Respiratory system? What parts of the body does it include? And what is its function?

A
  • Includes sinuses, nose, pharynx, larynx, Trachea, Bronchus, lung, alveoli
    • Warms, moistens and filters inhaled are, channels air to lungs
    • Participates in gas exchange
    • May regulate acid–base balance
      Helps produce sound
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14
Q

What is the Digestive system? What parts of the body does it include? And what is its function?

A
  • Sometimes called the Gastrointestinal tract/ GI tract
    • Includes mouth, oesophagus, stomach, intestines, anus
    • Includes accessory organs: liver, gallbladder, pancreas and glands
    • Secretes digestive enzymes to begin food break down
    • Secretes mucous to protect digestive tract cells and lubricates food
    • Moves water and food through the tract
    • Absorbs nutrients
      Eliminates wastes.
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15
Q

What is the Urinary/renal system? What parts of the body does it include? And what is its function?

A
  • Includes Kidneys, ureter, bladder, urethra
    • Excretes waste
    • Adjusts water and electrolyte Balance
    • Regulates acid-base balance and salt levels
    • Secretes some hormones
      Also play a role in maintaining blood pressure.
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16
Q

If there is a drop in blood pressure what hormone does the kidneys produce? What affect does this hormone have on the blood pressure?

A
  • Renin hormone

- Increases blood pressure

17
Q

What is the Reproductive system? What parts of the body does it include? And what is its function?

A
  • Male - ductus deferens, seminal vesicle, prostate, testes, penis
    • Female - Breast/mammary glands, uterine tube, ovary, uterus, vagina, vulva
    • Function of Reproduction- produce sperm/ova, nurtures the embryo/foetus
    • Makes hormones - oestrogen, progesterone, testosterone
      Mammary glads produce breast milk.
18
Q

What is Static pressure?

A

Exerted by the weight of a gas/liquid pressing down on it. E.g) atmospheric pressure

19
Q

What is Dynamic pressure?

A

Extra force created by a moving gas or liquid.

20
Q

What are the main factors of external environment that areneeded for survival?

A

Nutrients, pressure, oxygen, heat ( body teperature) and water are all considered - all needed for survival.

21
Q

All life forms share what 4 commonalities ( basic life neeeds)

A
  • Organisation - maintained by internal and external boundaries . E.g skin
    • Metabolism - chemical reactions. E.g carbohydrates found in our food
    • Adaptive - ability of body to adapt to our environment. Can adapt form, function and behaviour
      Reproduce - survival of the species.
22
Q

What does Macro mean?

A

The parts of the body we can see. E.g. Man running down street

23
Q

What does Micro mean?

A

Structures so small we need a microscope to see - E.g. heart beats faster

24
Q

What is the difference between anatomy and physiology? Define both.

A

Anatomy=Structures of the body

PhysiologyFunctioning of the body includes the internal mechanisms that ensure life.

25
Q

When a nurse takes a patients pulse, she not only looks for the beats per minute, but what else does she listen for?

A
  • Depth
  • Rhythm
  • Strength