Body Systems

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Body Systems

• How is your body like a machine?

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Lets think back.

• Why do all the body systems work together?

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To maintain homeostasis!
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SKELETAL SYSTEM

• What are the functions?

-produces red and white blood cells
-movement
-structural support
-provide minerals

• What other systems are involved?

-muscular
-immune
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MUSCULAR SYSTEM

• What are the functions?

-movement (body parts,
digestion, circulation)

• What other systems does it involve?

-Skeletal
-Nervous
-Digestive
-Circulatory
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Muscle Types
SKELETAL
SMOOTH
CARDIAC
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How do you bend your elbow?
To what are muscles attached?

• The bicep muscle contracts, causing the elbow to
  bend.
• The tricep muscle contracts, causing the elbow to
  straighten.

This works similar to what simple machine?
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LYMPHATIC SYSTEM

• What are the functions?

• protect body from disease

• contains white blood cells, antibodies and lymph

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INTEGUMENTARY SYSTEM
Function System





Protection/Barrier
Immune
Protect Against Dehydration
Excretory
Cutaneous Sensation
Nervous
Regulate Body Temp
Excretory
Excrete Sweat, Gases
Excretory
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Integumentary
Hair
Epidermis
Sebaceous Gland
Dermis
Sweat Gland
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• How does skin vary in different organisms?

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NERVOUS SYSTEM

• What are the functions?

• Respond to internal and external stimuli

• How does the nervous system work?

• What other systems are involved?

• all

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The Brain
Cerebrum
Hypothalamus
Cerebellum
Brain Stem
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EXCRETORY

• What are the functions?

• Detoxifies blood
• Urea, water, salts, excess glucose, excess protein

• What other systems are involved?

• Circulatory

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Excretory
Blood
Kidney
Ureter
Urine
Bladder
Urethra
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REPRODUCTIVE

• What are the functions?

• produce gametes

• produce hormones

• secondary sex characteristics

• What other systems are involved?

• Endocrine

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Reproductive
Ovary
Fallopian Tube
Uterus
Testes
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ENDOCRINE

• What are the functions?

-produce hormones
-deliver chemical messages through the body

• What other systems are involved?

• nervous

• circulatory

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Endocrine
Hypothalamus
Pituitary
Thyroid
Adrenal
Pancreas
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Remember feedback loops?
Hypothalamus(Brain)
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CIRCULATORY

• What are the functions?

• transport-gases-fluids-waste
  products-nutrients-hormones

• What other systems are involved?

• Excretory

• Respiratory

• Endocrine

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Circulatory
Capillary
Aorta (Artery)

• Heart

Vein
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RESPIRATORY

• What are the functions?

-exchange of carbon dioxide and oxygen between
the blood, air and tissues

• What other systems are involved?

• Circulatory

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Respiratory

• Where does gas exchange take place?

Alveoli
Trachea
Bronchi/Bronchioles
Lungs
Diaphragm
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DIGESTIVE

• What are the functions?

• to break down food into smaller particles with
  the help of enzymes so it can be absorbed and
  used by cells.

• What other systems are involved?

• Circulatory

• Nervous

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Digestive
Salivary Glands
Mouth
Esophagus
Digestive
Stomach
Liver
Pancreas
Small Intestine
Large Intestine
Rectum
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Digestive

• What substances help break down the food that you
  eat?

ENZYMES
Compound Enzyme Monomer



Starch
Amylase
Monosaccharide
Fatty Acids/ Glycerol
Bile/Lipase
Lipids
Proteins
Protease
Amino Acids
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Digestive

• Follow the path of food during digestion.

• Where is food mechanically digested? Chemically
  digested?