ch2 and 3 list words

Question 1

what is a group of cells similar in shape and function

Answer 1

tissue

Question 2

what are structures composed of one or more different types of tissue

Answer 2

organs

Question 3

what are groups of organs that have related functions

Answer 3

organ systems

Question 4

what are micro-organisms

Answer 4

living organisms too small to see with your eye

Question 5

what is the most common form of micro-organisms

Answer 5

bacteria

Question 6

what is a protist

Answer 6

a protist is a unicellular organism that’s neither plant or animal

Question 7

what is a pseudopod

Answer 7

a false foot

Question 8

what are fungi

Answer 8

multi-cellular and unicellular organisms

Question 9

what is cell specialization

Answer 9

the development of cells to preform a special function

Question 10

what is a slippery substance that coats many illness-causing cells, then sweeps them away from the lungs by cells with cilia

Answer 10

mucus

Question 11

what is a special protein in red blood cells that carry oxygen

Answer 11

hemoglobin

Question 12

what are finger-like projections that increase the surface area for absorption

Answer 12

villi

Question 13

what is any condition that can harm an organism

Answer 13

a disease

Question 14

what is an action of disease-producing organisms

Answer 14

infection

Question 15

what is a small strand of genetic information covered by a protein coat

Answer 15

a virus

Question 16

what is a creamy white substance made of strands of protein and cell fragments

Answer 16

pus

Question 17

what is a large molecule produced by a special type of white blood cell

Answer 17

an antibody

Question 18

what are molecules with a specific shape found on the cell membranes or protein coats of invading cells

Answer 18

markers

Question 19

what is the exchange or modification of genetic material in cells

Answer 19

genetic engineering

Question 20

what is the large, thin sheet of muscle that spreads across the chest cavity below the lungs

Answer 20

the diaphragm

Question 21

what is the movement of air into and out of the lungs

Answer 21

breathing

Question 22

what is the hard rigid tube that leads to the lungs

Answer 22

the trachea

Question 23

what is the small flap of tissue that covers the opening of the trachea

Answer 23

the epiglottis

Question 24

what is the process in which animals take in oxygen and release carbon dioxide

Answer 24

respiration

Question 25

what are the blood vessels that carry blood away from the heart

Answer 25

arteries

Question 26

what are blood vessels that return blood to the heart

Answer 26

veins

Question 27

what are the smallest blood vessels connecting the smallest arteries with the smallest veins

Answer 27

capillaries

Question 28

what are the chambers of the heart that receive blood from the body and lungs

Answer 28

atria

Question 29

what is the larger, more muscular chamber of the heart pumping blood around the body

Answer 29

the ventricles

Question 30

what is the process of removing waste

Answer 30

excretion

Question 31

what is a small tubule in the kidneys that filters waste from the blood and excretes it in urine

Answer 31

nephrons

Question 32

what is water containing waste filtered from the blood in the kidneys

Answer 32

urine

Question 33

what is the process that your body breaks large food molecules into smaller molecules

Answer 33

digestion

Question 34

what are the chemicals that help speed up the process of digestion

Answer 34

enzymes

Question 35

what is a chemical messenger produced by the endocrine system that travels to other systems and tells them how to adjust to whats going on

Answer 35

hormones

Question 36

what is a micro-organism that causes disease by interfering directly with cells or tissues or producing toxins

Answer 36

pathogens

Question 37

what is a chemical found or produced by all foreign organisms

Answer 37

antigen

Question 38

what is the use of antibodies to fight a pathogen

Answer 38

immune response

Question 39

what is a nerve cell with a direct connection to other cells

Answer 39

a neuron

Question 40

what neurons carry messages from sensory cells to the brain

Answer 40

sensory neurons

Question 41

what neurons carry signals from the brain to muscles, causing movement

Answer 41

motor neurons

Question 42

what is the time required to react

Answer 42

reaction time