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Science > Last 9wks Test > Flashcards

Last 9wks Test Flashcards

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Biology 101 flashcards
1
Q

What structure directs the activities of a cell?

A

Nucleus

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2
Q

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

A

Nervous tissue

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3
Q

Which organ system makes blood cells?

A

Skeletal system

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4
Q

Of the following is not a function of the skeleton?

A

Obtaining oxygen

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5
Q

Much of a newborn baby skeleton is made of…

A

Cartilage

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6
Q

What kind of motion is possible with the hinge joint?

A

Backward or forward

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7
Q

Which type of muscle is only found in the heart?

A

Cardiac muscle

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8
Q

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

A

Cells, tissues, organs, organ systems

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9
Q

Skeletal muscles must work in pairs because…

A

Muscle cells can only contract

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10
Q

How does the skin protect the body from disease?

A

By keeping disease-causing microorganisms from entering the body

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11
Q

Which of the following is the smallest level of organization in the body?

A

Cells

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12
Q

The bones that form the backbone are called…

A

Vertebrae

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13
Q

Which of the following is not a function of the cardiovascular system?

A

Controlling many body processes by means of chemicals

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14
Q

Blood vessels that carry blood away from the heart are called…

A

Arteries

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15
Q

Which component of blood carries oxygen to the body cells?

A

Red blood cells

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16
Q

Which of these heart structures prevents blood from flowing backward?

A

Valve

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17
Q

When the ventricles contract, blood is pumped…

A

Out of the heart

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18
Q

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

A

Villi

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19
Q

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

A

Salvia

20
Q

What process involves muscle contractions that move food through the esophagus?

A

Peristalsis

21
Q

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

A

Small intestine

22
Q

What organ produces bile?

A

Liver

23
Q

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

A

Oxygen

24
Q

What is the main organ in the respiratory system? The

A

Lungs

25
Q

Is the main function of the excretory system?

A

Collect and remove waste from the body

26
Q

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

A

Urinary bladder

27
Q

Your normal’s conditions, which of the following substances found in urine?

A

Urea

28
Q

What function do the kidneys perform?

A

Remove urea and excess water

29
Q

The endocrine system asked me on the body through chemical products called…

A

Hormones

30
Q

Change or signal in the environment they can make an organism react is called a…

A

Stimulus

31
Q

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

A

Axon

32
Q

Motor neuron since an impulse to…

A

A muscle or gland

33
Q

A cell that carries information through your nervous system is called a…

A

Neuron

34
Q

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

A

Spinal cord

35
Q

Automatic response of the body that occurs very rapidly in and out conscious control is called a…

A

Reflex

36
Q

The chemical product of an endocrine gland is called a…

A

Hormone

37
Q

A flowers female reproductive parts armrest called…

A

Pistis

38
Q

Gassed pass in and out of a plant through the…

A

Leaves

39
Q

What is not a root function in the plant?

A

Produce food

40
Q

What part of a plan carries substances between the roots and the leaves?

A

Roots

41
Q

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

A

Homeostasis

42
Q

Egg

A

The female sex cell

43
Q

Sperm

A

The male sex cell

44
Q

Fertilization

A

The joining of a sperm and an egg

45
Q

Reproduction

A

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

46
Q

Zygote

A

A fertilized egg

47
Q

Chromosome

A

Carries information that controls inherited characteristics

Science (17 decks)

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