Science Study Guide Q1/4Th

Front 1

A pinkish-grey nerve tissue contained in the skull

Back 1

Brain

Front 2

Large blood vessel that carry oxygen-rich blood from your heart to your body

Back 2

Artery

Front 3

Tiny air-sacs located in lungs

Back 3

Alveoli

Front 4

Important jelly-like material in some bones that makes new red blood cells

Back 4

Bone marrow

Front 5

Muscles that work automatically

Back 5

Involuntary

Front 6

A yellow liquid that breaks down fats

Back 6

Bile

Front 7

Part of urinary system; muscular bag that holds urine

Back 7

Bladder

Front 8

Part of brain that attaches to spinal cord, controls automatic movement

Back 8

Brain stem

Front 9

The 2 chambers found at top of your heart

Back 9

Atria

Front 10

Two small branches that lead to your lungs from your trachea

Back 10

Bronchi

Front 11

Strong flexible tissue that covers the end of bones

Back 11

Cartilage

Front 12

Muscle attached to bones allowing us to move

Back 12

Skeletal muscle

Front 13

Process of changing foods chemically to provide nourishment

Back 13

Digestion

Front 14

Part of urinary system, two special filters that regulate water and collect waste

Back 14

Kidneys

Front 15

Portion of the nervous system consisting of the brain and spinal cord

Back 15

Central nervous system

Front 16

Very thin blood vessels in which the exchange of oxygen and food take place

Back 16

Capillary

Front 17

Odorless invisible gas exhaled from the body

Back 17

Carbon dioxide

Front 18

The hard strong outer layer of bone

Back 18

Compact bone

Front 19

Found in the body's organs and blood vessels

Back 19

Smooth muscle

Front 20

Protein that helps break down food

Back 20

Enzymes

Front 21

Part of urinary system; 2 small tubes from kidneys to bladder

Back 21

Ureters

Front 22

"Little brain" located below the cerebrum

Back 22

Cerebellum

Front 23

Your heart

Back 23

Cardiac muscle

Front 24

Strong large flat muscle below lungs moves up and down as we breathe

Back 24

Diaphragm

Front 25

Place at which two bones meet together

Back 25

Joint

Front 26

Strong rope-like tissue attached muscle to bone

Back 26

Tendon

Front 27

Part of digestive system; tube from throat to stomach

Back 27

Esophagus

Front 28

Small tube from bladder that passes waste from body

Back 28

Urethra

Front 29

Largest part of brain in top of head; where you interpret senses and creativity

Back 29

Cerebrum

Front 30

Beating of the heart felt over the arteries

Back 30

Pulse

Front 31

Small flap of tissue that covers your trachea when swallowing

Back 31

Epiglottis

Front 32

Strong bands of tissue that hold joints in place

Back 32

Ligaments

Front 33

Muscles which we control with command from the brain

Back 33

Voluntary

Front 34

Pear-shaped sac behind the liver that stores bile

Back 34

Gallbladder

Front 35

Cord-like structure made of fibers that send messages from spinal cord to body

Back 35

Nerves

Front 36

Smaller blood vessels that carry blood to your heart

Back 36

Vein

Front 37

Voice box located in throat

Back 37

Larynx

Front 38

Bony helmet tgat protects the brain

Back 38

Skull

Front 39

Part of digestive system; long tube that carries waste to small intestine

Back 39

Large intestine

Front 40

Main nerve pathway down the back that relays messages to/from brain

Back 40

Spinal cord

Front 41

Two chamber at bottom of heart

Back 41

Ventricles

Front 42

Invisible odorless has that supports life keeping cells and muscles healthy

Back 42

Oxygen

Front 43

Small bones that make up the backbone

Back 43

Vertebrae

Front 44

Largest and vital organ with many functions

Back 44

Liver

Front 45

Process of breathing

Back 45

Respiration

Front 46

Insides of the bone that look like honeycomb

Back 46

Spongy bone

Front 47

Fish-shaped organ behind the stomach, makes hormones

Back 47

Pancreas

Front 48

Windpipe; small tube in back of throat leads to lungs

Back 48

Trachea

Front 49

Throat; approximately 5 inches in length

Back 49

Pharynx

Front 50

Clear fluid made by glands in the mouth to help moisten food

Back 50

Saliva

Front 51

Long coiled tube from stomach to large intestine, where most digestion happens

Back 51

Small intestine

Front 52

Organ of digestive system contains strong acid to break down food

Back 52

Stomach

Front 53

The brain contains more _____ than blood

Back 53

Water

Front 54

The brain uses 25% of the ____ we take in

Back 54

Oxygen

Front 55

The spinal cord is about as thick as a

Back 55

Pencil

Front 56

Your heart started beating at _____ days old in your mother's womb

Back 56

24

Front 57

The blood vessels end to end are ______ miles

Back 57

60,000

Front 58

About ___million blood cells die every second

Back 58

2

Front 59

Each red blood cell makes about ____ round trips til it dies

Back 59

250,000

Front 60

The breathing rate of women and children is _____ than that of men

Back 60

Faster

Front 61

There are _____ bones in the human body

Back 61

206

Front 62

Taking one step uses about ____ Muscles

Back 62

300

Front 63

The liver performs over ____ functions

Back 63

500

Front 64

An adults stomach holds about _____ quarts.

Back 64

1.58

Front 65

More than glad your body weight is ______

Back 65

Water

Front 66

The ______ clean the blood

Back 66

Kidneys