Week 1 - Introduction Flashcards

1
Q

Homeostasis?

A

All body systems work together to maintain a stable internal environment

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2
Q

Negative feedback

A

Body brought back into homeostasis

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3
Q

Positive feedback

A

Body is moved away from homeostasis

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4
Q

3 homeostatic regulatory mechanisms?

A

Receptor, control center, effector

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5
Q

3 types of muscle tissue

A

Skeletal, cardiac, smooth

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6
Q

4 types of tissue

A

Epithelial, connective, muscle, nervous

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7
Q

Define membrane potential

A

When positive and negative charges are separated, a potential difference is created

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8
Q

Cytoskeleton

A

Provide strength

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9
Q

Ribosomes

A

Synthesis proteins

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10
Q

Endoplasmic reticulum

A

Synthesis of proteins, carbs, lipids

Transportation

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11
Q

Golgi apparatus

A

Modifies and packages secretions

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12
Q

Lysosomes

A

Destroy bacteria

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13
Q

Mitochondria

A

Produce energy by ATP

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14
Q

Nucleus

A

Controls the cell

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15
Q

Define osmosis

A

Diffusion of water from one solution to another solution that contains a higher solute concentration

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16
Q

Define diffusion

A

Net movement of a substance from area of higher concentration to area of a lower concentration