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Human Anatomy

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Human Anatomy An overview of the human body systems Immune system Immune system This system protects the body from infection. Respiratory system Organs Nasal cavity ... – PowerPoint PPT presentation

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Title: Human Anatomy


1
Human Anatomy
  • An overview of the human body systems

2
Anatomy
  • Anatomy is the scientific discipline that
    investigates the bodys structure.
  • It examines the relationship between the
    structure of a body part and its function.

3
Levels of organization
  • Chemical level
  • Cell level
  • Tissue level
  • Organ level
  • Organ system level
  • Organism level

4
Chemical level
  • Smallest level of organization.
  • It involves atoms molecules.

5
Cell level
  • This level involves cells (basic units of all
    living things) their organelles.

6
Tissue level
  • A tissue is a group of similar cells materials
    surrounding them.
  • Examples heart tissue, muscle tissue

7
Organ level
  • An organ is composed of 2 or more tissue types
    that perform one or more common functions.
  • Examples heart, lungs

8
Organ system level
  • A group of organs that have a common function or
    set of functions are therefore viewed as a
    unit.
  • Examples digestive system, nervous system

9
Organism level
  • An organism is any living thing considered as a
    whole, whether composed of one cell or trillions
    of cells.
  • Examples bacterium, human

10
Integumentary system
  • Organs of the integumentary system
  • Skin
  • Accessory structureshair, nails sweat glands

11
Integumentary system
12
Integumentary system
  • This system, in particular the skin, forms a
    protective barrier around the body.
  • The skin also helps prevent water loss control
    body temperature.

13
Integumentary system
  • The skin also gathers information about the
    surroundings.

14
Skeletal system Organs
  • Bones
  • Cartilage
  • Tendons
  • Ligaments

15
Skeletal system
16
Skeletal system
  • This system
  • Helps you move.
  • Protects your internal organs.
  • Gives your body shape support.
  • Stores minerals.
  • Produces blood cells.

17
Muscular system Organs
  • Muscles
  • Skeletal (voluntary movement)
  • Smooth (involuntary movement)
  • Cardiac (involuntary movement)

18
Muscular system
19
Muscular system
  • This system is responsible for voluntary
    movements (I.e., jumping pointing) and
    involuntary movements (I.e., beating of your
    heart and the churning of your stomach).

20
Nervous system Organs
  • Brain
  • Spinal cord
  • Nerves
  • Sensory receptors

21
Nervous system
22
Nervous system
  • This system detects changes outside and inside
    the body and controls the way the body responds
    to these changes.

23
Endocrine system Organs
  • Pituitary gland
  • Hypothalamus gland
  • Thyroid gland
  • Parathyroid glands
  • Adrenal glands
  • Pancreas
  • Pineal body
  • Thymus
  • Ovaries
  • Testes

24
Endocrine system
25
Endocrine system
  • This system produces chemical messengers called
    hormones.
  • Some hormones help to maintain homeostasis.
  • Other hormones control development growth.

26
Circulatory system Organs
  • Heart
  • Blood
  • Blood vesselsveins arteries

27
Heart
28
Circulatory system
29
Circulatory system
  • This system transports oxygen and nutrients to
    the cells and carries wastes away from cells.

30
Lymphatic system Organs
  • Lymphatic vessels
  • Lymph nodes
  • Lymph
  • Lymphocytes
  • Spleen
  • Tonsils

31
Lymphatic system
32
Lymphatic system
  • This system takes fluid from the spaces between
    cells and returns it to the circulatory system.
  • It also filters bacteria and other microorganisms
    from this fluid.

33
Immune system
  • The immune system is a functional system rather
    than an organ system in an anatomical sense.
  • Certain organs of the body (lymphatic
    circulatory systems) are intimately involved with
    the immune response.

34
Immune system
35
Immune system
  • This system protects the body from infection.

36
Respiratory systemOrgans
  • Nasal cavity
  • Pharynx
  • Trachea
  • Bronchi
  • Lungs

37
Respiratory system
38
Respiratory system
  • This system moves oxygen into the body and carbon
    dioxide out of the body.

39
Digestive system Organs
  • Gastrointestinal tractmouth, esophagus, stomach,
    small intestine large intestine
  • Accessory organsliver, gallbladder pancreas

40
Digestive system
41
Digestive system
  • This system digests (breaks down) food and
    absorbs nutrients.

42
Excretory system Organs
  • Kidneys
  • Ureters
  • Bladder
  • Urethra

43
Excretory system
44
Excretory system
  • This system removes wastes from the body helps
    maintain homeostasis.

45
Reproductive systemOrgans
  • Testes
  • Epididymis
  • Vas deferens
  • Seminal vesicles
  • Prostate gland
  • Cowpers glands
  • Urethra
  • Penis

46
Reproductive systemOrgans
  • External parts
  • Vulva
  • Labia majora
  • Labia minora
  • Internal parts
  • Ovaries
  • Fallopian tubes
  • Uterus
  • Vagina

47
Female reproductive system
48
Male reproductive system
49
Reproductive system
  • In males, this system produces sperm.
  • In females, this system produces eggs.
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