4th Nine Weeks Test

Question 1

Needed substances are carried to the body cells by

Answer 1

Blood

Question 2

Blood vessels that carry blood away from the heart are called

Answer 2

Arteries

Question 3

Which component of blood carries oxygen to the body cells

Answer 3

Red blood cells

Question 4

Which of these heart structures prevents blood from flowing backward

Answer 4

Valve

Question 5

When ventricles contract, blood is pumped

Answer 5

Out of the heart

Question 6

The function of white blood cells is to

Answer 6

Fight disease

Question 7

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

Answer 7

Obtain oxygen

Question 8

What structures enable the small intestine to absorb large amounts of nutrients

Answer 8

Villi

Question 9

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

Answer 9

Saliva

Question 10

What process involves muscle contractions that move food through the esophagus

Answer 10

Peristalsis

Question 11

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

Answer 11

Small intestine

Question 12

What organ produces bile

Answer 12

Liver

Question 13

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

Answer 13

Oxygen

Question 14

What is the main organ in the respiratory system

Answer 14

Lungs

Question 15

What is the main function of the excretory system

Answer 15

To collect and remove wastes from the body

Question 16

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

Answer 16

Urinary bladder

Question 17

Under normal conditions, what is found in urine

Answer 17

Urea

Question 18

What function do the kidneys perform

Answer 18

Remove urea and excess water

Question 19

What is not a function of the cardiovascular system

Answer 19

Controlling many body processes by means of chemicals

Question 20

The endocrine system ask on the body through chemical products called

Answer 20

Hormones

Question 21

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

Answer 21

Stimulus

Question 22

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

Answer 22

Exxon

Question 23

Gases pass in and out of a plant through

Answer 23

Leaves

Question 24

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

Answer 24

Stem

Question 25

What is not a route function in a plant

Answer 25

Produce food

Question 26

A flowers female reproductive parts are called

Answer 26

Pistils

Question 27

A motor neuron sends an impulse

Answer 27

A muscle or gland

Question 28

A cell that carries information through your nervous system is

Answer 28

Neuron

Question 29

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

Answer 29

Spinal cord

Question 30

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

Answer 30

Reflects

Question 31

The chemical product of an endocrine gland is called

Answer 31

Hormone

Question 32

The process by which an organism's internal environment is kept stable in spite of changes in the Extertal environment is called

Answer 32

Homeostasis

Question 33

What structure directs the activities of a cell

Answer 33

Nucleus

Question 34

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

Answer 34

Nervous tissue

Question 35

What organ system makes blood cells

Answer 35

Skeletal system

Question 36

Which of the following is not a function of the skeleton

Answer 36

Obtaining oxygen

Question 37

Much of a newborn babies skeleton is made of

Answer 37

Cartilage

Question 38

What kind of motion is possible with a hinge joint

Answer 38

Forward and backward

Question 39

Which type of muscle is found only in the heart

Answer 39

Cardiac muscle

Question 40

List the levels of organization from smallest to largest

Answer 40

Cells, tissue, organs, organ system

Question 41

Skeletal muscles must work in pairs because

Answer 41

Muscle cells can only contract

Question 42

How does the skin protect the body from disease

Answer 42

By keeping disease causing microorganisms from entering the body

Question 43

What is the smallest level of organization in the body

Answer 43

Cells

Question 44

The bones that form the backbone are called

Answer 44

Vertebrae

Question 45

Egg

Answer 45

The female sex cell

Question 46

Sperm

Answer 46

The male sex cell

Question 47

Fertilization

Answer 47

The joining of a sperm and an egg

Question 48

Reproduction

Answer 48

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

Question 49

Zygote

Answer 49

A fertilized egg

Question 50

Chromosome

Answer 50

Carries the information that controls inherited characteristics