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Biology 20 > Unit 4: Preparation > Flashcards

Unit 4: Preparation Flashcards

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1
Q

What is the function of the Digestive system? (2)

A

Breaks down food into chemical components that are small enough to enter circulation
Eliminates undigested food

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2
Q

What is the function of the Respiratory system? (3)

A

Delivers oxygen to blood
Removes CO2 from cells
Helps to control blood pH

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3
Q

What is the function of the Circulatory system? (3)

A

Transports blood, nutrients, gasses and metabolic wastes
Defends body against disease
Helps to control temperature, fluid balance, and pH balance

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4
Q

What are the function of the Lymphatic and Immune systems? (3)

A

Help to control fluid balance
Defend against disease
Absorb fats

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5
Q

What is the function of the Excretory system? (3)

A

Removes metabolic waste
Helps to control fluid balance
Helps to control pH balance

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6
Q

What is the muscular system? (3)

A

Maintains posture
Moves body and organs
Produces heat

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7
Q

What is the function of the integumentary system? (4)

A

Protects body from infection
Receives sensory input
Controls body temperature
Synthesizes vitamin D

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8
Q

What is the function of the Skeletal system? (4)

A

Provides framework for muscles to attach, making movement possible
Produces blood cells
Stores minerals
Protects soft organs

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9
Q

What is the function of the Nervous system? (2)

A

Detects, interprets, and responds to stimuli from outside and within body
With endocrine system, coordinates all organ-system functions

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10
Q

What is the function of the Endocrine system? (5)

A 
Produces hormones
Helps to coordinate organ systems
Respond to stress
Helps to regulate fluid and pH balance
Helps to regulate metabolism
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11
Q

What is the function of the Reproductive system? (4)

A

Produces gametes
Transports gametes
Produces sex hormones
Gives birth to offspring

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12
Q

What are the organ systems studied in this course?

A 
Digestive
Respiratory
Circulatory
Lymphatic and immune
Excretory 
Muscular
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13
Q

What is average body temp?

A

37 degrees

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14
Q

What is normal blood pH?

A

7.4

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15
Q

What is normal blood glucose?

A

100mg/mL

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16
Q

What is homeostasis?

A

The tendency of the body to maintain a constant internal environment

17
Q

How do body systems maintain homeostasis?

A

Sensor
Effector
Control Center

18
Q

How does Sensor affect homeostasis?

A

Detects a change in internal environment

19
Q

How does Effector affect homeostasis?

A

Brings internal conditions back into normal range

20
Q

How does Control Center affect homeostasis?

A

Activates the effector based on information received by the sensor

21
Q

How does data travel to create homeostasis?

A

A Sensor detects a change and signals the Control center. The Control center activates the effector which reverses the changes

Biology 20 (32 decks)

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