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Science 7 Period 1 > flashcards 3 > Flashcards

flashcards 3

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1
Q

What is the immune system

A

The system that protects your body from dangerous things

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2
Q

Infectious disease

A

A bad disease

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3
Q

Pathogen

A

An organism that causes disease

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4
Q

What are 3 things that protect the body from pathogens

A

Skin, breathing passages, and mouth & stomach

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5
Q

What are white blood cells (WBC)

A

Cells that fight away disease

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6
Q

Iflammation

A

Increased blood flow

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7
Q

Fever

A

Increasing body temperature

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8
Q

Antigens

A

Unique surface makers

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9
Q

Antibody

A

Tag that attaches to the enemy

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10
Q

Lymphocytes

A

WBC´s that can distinguish 2 different types of pathogens

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11
Q

What is the nervous system

A

Receives and responds to information that has been sent

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12
Q

Stimulus

A

An environmental system that an organism reacts to

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13
Q

Response

A

What the body does to react to a stimulus

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14
Q

Neuron

A

Cell that carries information

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15
Q

Nerve impulse

A

Information being carried

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16
Q

What does a neuron consist of

A

Nucleus axon and dendrites

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17
Q

Dendrites

A

Carries impulse toward the cell body

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18
Q

Axon

A

Carries impulse away from the cell body

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19
Q

Nerve fibers

A

Axons and dendrites

20
Q

Nerve

A

Cluster of nerve fibers

21
Q

What does the endocrine system do

A

Produce hormones

22
Q

Hypothalamus

A

Linked to nervous system

23
Q

Pituitary gland

A

Controls growth

24
Q

Thyroid gland

A

Produces the hormones

25
Q

Parathyroid

A

Regulates blood calcium

26
Q

Thymus

A

Helps immune system

27
Q

Pancreas

A

Regulates blood sugar

28
Q

Adrenal

A

Triggers adrenaline

29
Q

Ovaries

A

Triggers egg development

30
Q

Testes

A

Regulates sperm production

31
Q

Scrotum

A

External pouch that contains the testes

32
Q

Semen

A

Mixture of sperm cells

33
Q

Penis

A

Male sex organ

34
Q

Ovaries

A

Produce egg cells

35
Q

Fallopian tubes

A

Connects the ovary to uterus

36
Q

Uterus

A

Where the baby is

37
Q

Vagina

A

Opening between uterus and outside body

38
Q

Egg

A

Female sex cells

39
Q

Sperm

A

Male sex cells

40
Q

Fertilization

A

Joining of sperm and egg cells

41
Q

Zygote

A

Fertilized eggs

42
Q

Chromosome

A

Where genes are

43
Q

Menstrual cycle

A

Monthly cycle of change for the uterus

44
Q

Beginning

A

Development of mature eggs

45
Q

Midway

A

Egg release

46
Q

Menstruation

A

Blood from an unfertilized egg that leaves the females body

Science 7 Period 1 (6 decks)

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