nine-weeks exam ch.1-4

a strong feeling expressed in a physical way is a

digestible polysaccharide

controls other body systems

what is the largest section of the brain ?

the buildup of fatty deposits in arteries

type of symmetry does a living thing can be cut in equal halves in only one direction have ?

on what organ does alchohol have its most noticeable effect ?

the most common disease affecting the immune system

most people in their early teen years need at least ? hours of sleep each night

abnormal cells growing extremely quickly

the drug found in tobacco is

a usually mild infection caused by a virus

occurs when the coronary arteries become blocked

the disease caused by HIV

the surrounding of an organism or group of organisms are known as their

which of the following is a completely illegal drug derived from the opium poppy ?

group of essential nutrients made of amino acids

the developer of the scientific method

vessels in plants that carry water and nutrients upward ?

scientific idea that survived many experiments and observations w/out ever being proven false?

what term refers to the enlargements of muscles due to exercise ?

supports the body

the process by which malignant tumors spread to other parts of the body

the large blood vessels that carry blood away from the heart are arteries

gland that controls all the other glands ?

pollination is the transfer of pollen from

what is the layer of dead skin at the base of the nail called ?

which group of drugs includes alcohol ?

which hard substance covers the crown of your teeth ?

the largest internal organ of the body is the

which of the following is a hallucinogen

what white or black mounds occur when sebaceous glands become clogged ?

at least how many glasses of water a day ?

what condition occurs when someone does not get proper nutrition b/c of a poor diet

vegatable oil usually contain ____ fats

disease in which air sacs in the lungs collapse

what is the max number of variables in a properly designed experiment ?

which of the following is a characteristic of monocots

what is the most powerful natural stimulant

mineral needed for the transport of oxygen in the blood

group that includes fat

promotes strong bones

the scientific name for tooth decay is

which plant family helps restore nitrogen

the stalk that attaches a leaf to a stem is called

a sensible explanation to a scientific problem is a

thin sticky film of bacteria that forms on teeth ?

removes liquid wastes

the productes of photosythesis are ___,____, and water

what term refers to a disease that someone is born with

which group of drugs include nicotine

what does SPF stand for ?

the scatering of seeds by animals ,wind , and water is referred to as ?

which plant family characteristically has flower heads consisting of disk and ray flowers ?

nutrient essential for normal growth ,good eyesight and healthy skin

branch of biology that studies the relationship between organism and their surroundings ?

helps muscles move correctly and maintains water balance

flower ovaries develop into structure called

type of excersise that strengthens the heart and lungs and burns fat

which type of gland helps keep the body cool ?

transports nutrients and other materials

flowering plants are referred to as

plants that have two growing seasons are known as

the air sacs in the lungs are called

group of nutrients that include both sugars and polysaccharides