Science Unit A Chapter 1

Front 1

The ______are projectons fo the inside of the small intestine.

Back 1

villi

Front 2

The smallest blood vessels are the ________

Back 2

capillaries

Front 3

Smiliar cells work together in a _________, which is part of an ___________, which is part of a ____________.

Back 3

tissue, organ, system

Front 4

Celsl that detect conditions in the body's environment are _________.

Back 4

receptors

Front 5

The ________controls cell activiteies, and the __________ regulates what enters and leaves the cell.

Back 5

nucleus, cell membrane

Front 6

Air sacs in the lung through which oxygen and carbondioxide diffuse inot and out of the blood are the ________.

Back 6

alevoli

Front 7

the _____ is the basic unit of structure of all living things.

Back 7

cell

Front 8

At ______, bones are connected to each other by ________, while _______ connect bones to muscles.

Back 8

joints, ligaments, tendons

Front 9

A ________ is made up of a cell body, and axon and serveral dendrites.

Back 9

neuron

Front 10

The structure in the kidney that filters urea and water from the blood is a ___________.

Back 10

nephron

Front 11

Particles move from areas where there are a lot of them to areas where there are fewer of them by __________.

Back 11

diffusion

Front 12

Waterh and materials dissolved in water pass through a membrane by ___________.

Back 12

osmosis

Front 13

The jellylike substance between the cell membrane and the nucleus is the __________.

Back 13

cytoplasm

Front 14

Blood cells are produced in ____________.

Back 14

bone marrow

Front 15

Food travels down the ___________ to the stomach and then to the __________ where ___________difuse into the blood.

Back 15

esophagus, small intestine, nutrients

Front 16

Air travels dow the trachea to the __________, where ___________ diffuses inot the blood through the walls fo the ____________.

Back 16

lungs, oxygen, alveoli

Front 17

_________ and ________are carried by the blood to muscle cells. The energy they produce in ________ tissue is used to move bones. The energy they prodcue in _______ tissue is used to move food through the digestive system. The energy they produce in ________ tissue is used to move blood through the circulatory system.

Back 17

nutrients, oxygen, voluntary muscle, smooth muscle, cardiac muscle

Front 18

Bile, produce by the liver breaks down _______

Back 18

fats

Front 19

The urea and water that make up urnie are removed from the blood in the __________

Back 19

kidneys

Front 20

A plant stands up straigt because of water pressure against the ________

Back 20

Chlorplasts

Front 21

A neuron transmits signals from its _______

Front 22

The liver is an organ of the ______

Front 23

The ______are projectons fo the inside of the small intestine.

Back 23

villi

Front 24

The smallest blood vessels are the ________

Back 24

capillaries

Front 25

Smiliar cells work together in a _________, which is part of an ___________, which is part of a ____________.

Back 25

tissue, organ, system

Front 26

Celsl that detect conditions in the body's environment are _________.

Back 26

receptors

Front 27

The ________controls cell activiteies, and the __________ regulates what enters and leaves the cell.

Back 27

nucleus, cell membrane

Front 28

Air sacs in the lung through which oxygen and carbondioxide diffuse inot and out of the blood are the ________.

Back 28

alevoli

Front 29

the _____ is the basic unit of structure of all living things.

Back 29

cell

Front 30

At ______, bones are connected to each other by ________, while _______ connect bones to muscles.

Back 30

joints, ligaments, tendons

Front 31

A ________ is made up of a cell body, and axon and serveral dendrites.

Back 31

neuron

Front 32

The structure in the kidney that filters urea and water from the blood is a ___________.

Back 32

nephron

Front 33

Particles move from areas where there are a lot of them to areas where there are fewer of them by __________.

Back 33

diffusion

Front 34

Waterh and materials dissolved in water pass through a membrane by ___________.

Back 34

osmosis

Front 35

The jellylike substance between the cell membrane and the nucleus is the __________.

Back 35

cytoplasm

Front 36

Blood cells are produced in ____________.

Back 36

bone marrow

Front 37

Food travels down the ___________ to the stomach and then to the __________ where ___________difuse into the blood.

Back 37

esophagus, small intestine, nutrients

Front 38

Air travels dow the trachea to the __________, where ___________ diffuses inot the blood through the walls fo the ____________.

Back 38

lungs, oxygen, alveoli

Front 39

_________ and ________are carried by the blood to muscle cells. The energy they produce in ________ tissue is used to move bones. The energy they prodcue in _______ tissue is used to move food through the digestive system. The energy they produce in ________ tissue is used to move blood through the circulatory system.

Back 39

nutrients, oxygen, voluntary muscle, smooth muscle, cardiac muscle

Front 40

Bile, produce by the liver breaks down _______

Back 40

fats

Front 41

The urea and water that make up urnie are removed from the blood in the __________

Back 41

kidneys

Front 42

A plant stands up straigt because of water pressure against the ________

Back 42

Chlorplasts

Front 43

A neuron transmits signals from its _______

Front 44

The liver is an organ of the ______

Front 45

The ______are projections of the inside of the small intestine.

Back 45

villi

Front 46

The smallest blood vessels are the ________

Back 46

capillaries

Front 47

Similar cells work together in a _________, which is part of an ___________, which is part of a ____________.

Back 47

tissue, organ, system

Front 48

Cells that detect conditions in the body's environment are _________.

Back 48

receptors

Front 49

The ________controls cell activities, and the __________ regulates what enters and leaves the cell.

Back 49

nucleus, cell membrane

Front 50

Air sacs in the lung through which oxygen and carbon dioxide diffuse into and out of the blood are the ________.

Back 50

alevoli

Front 51

the _____ is the basic unit of structure of all living things.

Back 51

cell

Front 52

At ______, bones are connected to each other by ________, while _______ connect bones to muscles.

Back 52

joints, ligaments, tendons

Front 53

A ________ is made up of a cell body, and axon and several dendrites.

Back 53

neuron

Front 54

The structure in the kidney that filters urea and water from the blood is a ___________.

Back 54

nephron

Front 55

Particles move from areas where there are a lot of them to areas where there are fewer of them by __________.

Back 55

diffusion

Front 56

Water and materials dissolved in water pass through a membrane by ___________.

Back 56

osmosis

Front 57

The jellylike substance between the cell membrane and the nucleus is the __________.

Back 57

cytoplasm

Front 58

Blood cells are produced in ____________.

Back 58

bone marrow

Front 59

Food travels down the ___________ to the stomach and then to the __________ where ___________diffuses into the blood.

Back 59

esophagus, small intestine, nutrients

Front 60

Air travels down the trachea to the __________, where ___________ diffuses into the blood through the walls of the ____________.

Back 60

lungs, oxygen, alveoli

Front 61

_________ and ________are carried by the blood to muscle cells. The energy they produce in ________ tissue is used to move bones. The energy they produce in _______ tissue is used to move food through the digestive system. The energy they produce in ________ tissue is used to move blood through the circulatory system.

Back 61

nutrients, oxygen, voluntary muscle, smooth muscle, cardiac muscle

Front 62

Bile, produce by the liver breaks down _______

Back 62

fats

Front 63

The urea and water that make up urine are removed from the blood in the __________

Back 63

kidneys

Front 64

A plant stands up straight because of water pressure against the ________

Back 64

Chloroplasts

Front 65

A neuron transmits signals from its _______

Front 66

The liver is an organ of the ______