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pre-ap science > 9 Week Test 4 > Flashcards

9 Week Test 4 Flashcards

1
Q

Which organ of the excretory system stores urine until the body is ready to eliminate it?

A

Urinary Bladder

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2
Q

Under normal conditions, which of the following substances is found in urine?

A

Urea

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3
Q

What function do the kidneys perform?

A

Remove urea and excess water

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4
Q

The endocrine system acts on the body through chemical products called

A

Hormones

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5
Q

A change or signal in the environment that can make an organism react is called an

A

Stimulus

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6
Q

What part of a neuron carries nerve impulses away from the cell body

A

Axon

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7
Q

A motor neuron sends an impulse to

A

A muscle or gland

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8
Q

A cell that carries information through your nervous system is a

A

Neuron

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9
Q

The thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system is

A

Spinal cord

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10
Q

An automatic response is of the body that occurs very rapidly and without conscious control is called a

A

Reflex

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11
Q

The chemical product of an endocrine gland is called a

A

Hormone

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12
Q

Gassed pass in and out of a plant through the

A

Leaves

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13
Q

What part of a plant carries substances between the roots and the leaves

A

Stem

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14
Q

What is NOT a root function in a plant

A

Does not produce food.

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15
Q

A flowers female reproductive parts are called

A

Pistils

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16
Q

Which of these is NOT a function of the cardiovascular system?

A

Controlling many body processes by means of chemicals

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17
Q

What is the main function of the excretory system?

A

To collect and remove wastes from the body

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18
Q

The process by which an organisms internal environment is kept stable in spite of changes in the external environment is called

A

Homeostasis

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19
Q

What structure directs the activities of a cell?

A

Nucleus

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20
Q

Messages are carried back and forth between the brain and other parts of the body by

A

Nervous tissu

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21
Q

Which organ system makes blood cells

A

Skeletal tissue

22
Q

Which of the following is NOT a function of the skeleton?

A

Obtaining oxygen

23
Q

Much of a newborn baby’s skeleton is made of

A

Cartilage

24
Q

What kind of motion is possible with a hinge joint?

A

Backward or forward

25
Q

Which type of muscle is found only in the heart

A

Cardiac muscle

26
Q

Which of the following is in the correct order from smallest to largest

A

Cells, tissues, organs, organ systems

27
Q

Skeletal muscles must work in pairs because

A

Muscle cells an only contract

28
Q

How does the skin protect the body from disease

A

By keeping disease-causing microorganisms from entering the body

29
Q

Which of the following if the smallest level of organization in the body

A

Cells

30
Q

The bones that form the backbone are called

A

Vertebrae

31
Q

Which of these is NOT a function of the cardiovascular system

A

Controlling many body processes by the means of chemicals

32
Q

Needed substances are carried to the body cells by

A

Blood

33
Q

Blood vessels that carry blood away from the heart are called

A

Arteries

34
Q

Which component of blood carries oxygen to the body cells

A

Red blood cells

35
Q

Which of these heart structures prevents blood from flowing backwards

A

Valve

36
Q

When the ventricles contract, blood is pumped

A

Out of the heart

37
Q

The function of white blood cells is to

A

Fight disease

38
Q

Which of the following is NOT a function of the digestive system

A

Obtaining oxygen

39
Q

What structure enables the small intestine to absorb large amounts of nutrients

A

Villi

40
Q

What substance in the mouth contains an enzyme that begins chemical digestion

A

Saliva

41
Q

What process involves muscle contractions that move food through the esophagus

A

Peristalsis

42
Q

In what part of the body does most chemical digestion take place

A

Small intestine

43
Q

What organ produces bile

A

Liver

44
Q

The role of the respiratory system is to being what substance into the body

A

Oxygen

45
Q

What is the main organ in the respiratory system

A

Lungs

46
Q

Definition of egg

A

A female sex cell

47
Q

Definition of sperm

A

The male sex cell

48
Q

Definition of fertilization

A

The joining of a sperm and an egg

49
Q

Definition of reproduction

A

The process by which living things produce new individuals of the same type

50
Q

Definition of zygote

A

A fertilized egg

51
Q

Definition of chromosome

A

Carries the information that controls inherited characteristics

pre-ap science (16 decks)

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