ENT 201 EXAM 1: NCSU: SORENSON QUESTIONS AND VERIFIED
DETAILED SOLUTIONS LATEST UPDATE
Abdomen
Center for digestion, reproduction, circulation and excretion
Abdomen
Consists of 6 to 11 segments, usually quite flexible
Cerci, styli, filaments, gills
What are the 4 types of appendages?
Tracheal system
Oxygen moved from spiracles to every cell in the body through
a system of silvery air tubes (tracheae and tracheoles)
Air sacs
,"balloons" that store oxygen
Breathing
Occurs by expanding and contracting the body while opening
and closing different spiracles
Foregut
Ingestion of food and water, grinding, some storage-- minimal
digestion -- lined with cuticle
Salivary glands
Produce various substances such as digestive enzymes,
anticoagulants, silk, saliva, etc.
Midgut
Responsible for digestion and absorption of nutrients,
minerals, water, etc.
,Hindgut
Collects undigested food and waste, absorbs water -- no
digestion -- lined with cuticle
Excretion
Undigested waste plus toxic nitrogen waste
Malpighian tubules
Blind tubes that float around like spaghetti collecting nitrogen
waste
Ammonia
What do aquatic insects convert nitrogen waste into?
Solid uric acid
What do terrestrial insects convert nitrogen waste into?
, Frass
Solid waste
Honeydew
Insects feeding on plant juices excrete ______________.
Hemolymph
Transports nutrients, minerals, hormones, waste, etc.
Throughout the body
Accessory hearts
What helps push blood into the legs and wings?
Hemolymph
DETAILED SOLUTIONS LATEST UPDATE
Abdomen
Center for digestion, reproduction, circulation and excretion
Abdomen
Consists of 6 to 11 segments, usually quite flexible
Cerci, styli, filaments, gills
What are the 4 types of appendages?
Tracheal system
Oxygen moved from spiracles to every cell in the body through
a system of silvery air tubes (tracheae and tracheoles)
Air sacs
,"balloons" that store oxygen
Breathing
Occurs by expanding and contracting the body while opening
and closing different spiracles
Foregut
Ingestion of food and water, grinding, some storage-- minimal
digestion -- lined with cuticle
Salivary glands
Produce various substances such as digestive enzymes,
anticoagulants, silk, saliva, etc.
Midgut
Responsible for digestion and absorption of nutrients,
minerals, water, etc.
,Hindgut
Collects undigested food and waste, absorbs water -- no
digestion -- lined with cuticle
Excretion
Undigested waste plus toxic nitrogen waste
Malpighian tubules
Blind tubes that float around like spaghetti collecting nitrogen
waste
Ammonia
What do aquatic insects convert nitrogen waste into?
Solid uric acid
What do terrestrial insects convert nitrogen waste into?
, Frass
Solid waste
Honeydew
Insects feeding on plant juices excrete ______________.
Hemolymph
Transports nutrients, minerals, hormones, waste, etc.
Throughout the body
Accessory hearts
What helps push blood into the legs and wings?
Hemolymph
