Chapters 35-40: Human Body Notes

Organization in Multi-Cellular Organisms

1.  Cell-

2.  Tissue-

3.  Organ-

4.  Organ System-

5.  Organism-

Eleven Organ Systems:

1. Digestive 5. Muscular 9. Lymphatic

2. Respiratory 6. Skeletal 10. Endocrine

3. Circulatory 7. Integumentary 11. Reproductive

4. Nervous 8. Excretory

Feedback Control

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·  Homeostasis=

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Digestive System

Structures:

Accessory Structures:

Functions

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Pathway of Food

Mouth:

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Salivary Glands:

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Pharynx:

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Esophagus:

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Stomach:

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Small Intestine:

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Food never enters these three organs:

Pancreas:

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Liver:

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Gallbladder:

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Large Intestine (including rectum and anus):

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Respiratory System

Structures:

Functions

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Breathing:

•  Inhalation:

•  Exhalation:

Gas Exchange in the Lungs

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Circulatory System

Structures:

Functions

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Blood Contents

•  Plasma –

•  Erythrocytes (red blood cells) –

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•  Leukocytes (white blood cells) –

•  Platelets –

Cardiovascular Structures

•  Heart –

•  Arteries –

•  Veins –

•  Capillaries –

Blood Flow

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Nervous System

Structures:

Functions

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Neurons

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•  Neurons consist of 3 parts:

•  dendrites –

•  cell body –

•  axon –

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Muscular System

Structures:

Functions

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Three types of muscle:

•  Skeletal:

•  Smooth:

•  Cardiac:

Voluntary Muscle Contractions

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Skeletal System

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Structures:

Functions

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Bone Structure

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Joints

•  Joints -

•  Tendons -

•  Ligaments -

•  Cartilage -

Integumentary System

Structures:

Functions:

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Excretory System

Structures:

Functions:

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How do the kidneys work?

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Lymphatic System

Structures:

Functions:

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Immune System

Function:

Non-specific Defenses:

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Specific Responses: Immune Response:

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Endocrine System

Structures:

Function:

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§ 

Reproductive System

Male Structures:

Female Structures:

Functions:

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