Biology: ERI Test Flashcards

1
Q

Hormone

A

Substance produced in one part of an organism that affects another part of the same organism

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2
Q

Target Cell

A

Cell that has a receptor for a particular hormone

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3
Q

Exocrine Gland

A

Gland that releases its secretions through tubelike structures called ducts

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4
Q

Endocrine Gland

A

Gland that releases its secretions directly into the bloodstream

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5
Q

Prostaglandin

A

Hormonelike fatty acid that only affects nearby cells

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6
Q

Puberty

A

Period of rapid growth and sexual maturation in which the reproductive system becomes fully functional

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7
Q

Menstrual Cycle

A

Cycle during which eggs develop, are released, and the uterus is prepared to receive a fertilized egg

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8
Q

Zygote

A

Fertilized egg

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9
Q

Implantation

A

When a blastocyst attaches to the uterus wall

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10
Q

Differentiation

A

Specialization of cell’s structure and function

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11
Q

Placenta

A

Organ through which nutrients, oxygen, carbon-dioxide, and wastes are exchanged between embyro and mother

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12
Q

Disease

A

Any change, other than injury, that disrupts the normal functions of the body

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13
Q

Vector

A

Animal that carries pathogens from person to person

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14
Q

Immunity

A

Ability of the body to resist a specific pathogen

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15
Q

Fever

A

Elevated body temperature that occurs in response to infection

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16
Q

Inflammatory Response

A

Nonspecific defense reaction to tissue damage caused by injury or infection

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17
Q

Immune Response

A

The body’s specific defenses that attack a disease causing agent

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18
Q

Antigen

A

A substance that causes an immune response

19
Q

Antibody

A

A protein that helps destroy pathogens

20
Q

Vaccination

A

Injection of a weakened or mild form of a pathogen to produce immunity

21
Q

Active Immunity

A

Immunity produced by exposure to an antigen, as a result of the immune reponse

22
Q

Passive Immunity

A

Short-term immunity caused when antibodies produced by other animals for a pathogen are injected into the body

23
Q

Allergy

A

Overreaction of the immune system to antigens

24
Q

Histamine

A

Chemical that increases the flow of blood and fluids to the surrounding area

25
Q

Neurulation

A

Development of the nervous system

26
Q

Humoral Immunity

A

Immunity against antigens and pathogens in the body fluids

27
Q

Cell-mediated Immunity

A

Immunity against abnormal cells and pathogens inside living cells

28
Q

Pathogen

A

Disease-causing agent

29
Q

Antibiotic

A

Compound that prevents growth of bacteria

30
Q

Fertilization

A

When male and female reproductive cells join to form a new cell

31
Q

What makes up the endocrine system?

A

Glands that release their products into the bloodstream

32
Q

What makes up the nonspecific defense against pathogens?

A

Skin, mucus, saliva, tears, etc.

33
Q

What are the main glands of the endocrine system?

A

Hypothalamus, pituitary gland, parathyroid glands, thymus, adrenal glands, pineal gland, thyroid, pancreas, ovary, testis

34
Q

Hypothalamus

A

Controls the pituitary gland

35
Q

Pituitary

A

Regulates other endocrine glands

36
Q

Parathyroid

A

Regulates calcium

37
Q

Thymus

A

Stimulates proper immune response during childhood

38
Q

Adrenal

A

Helps body respond to stress

39
Q

Pineal

A

Controls circadian rhythms (melatonin)

40
Q

Thyroid

A

Regulates metabolism (thyroxine)

41
Q

Pancreas

A

Regulates blood sugar

42
Q

Ovary

A

Produces estrogen and progesterone

43
Q

Testis

A

Produces testosterone