Circulatory System

1.    Insects have a(n):

Four-chambered heart

Closed circulatory system

Dorsal blood vessel

Lymphatic system

 

2.   An insect's heart is located:

In its head

In its thorax

In its abdomen

In more than one body region

 

3.   The heart lies along the:

Right side of the digestive tract

Ventral side of the body

Dorsal side of the body

Left side of the body

 

4.   In the circulatory system of insects:

Capillaries are found only in the head

Oxygen is carried to all parts of the body

Blood is pumped from the abdomen to the head

There is a heart in each segment of the body

 

5.   An insect's heart is best described as a:

Four-chambered muscle

Vibrating diaphram

Rotating piston

Pulsating tube

 

6.   One-way flow valves in the heart are called:

Ostia

Pulsatile organs

Apodemes

Spiracles

 

7.   A blood sinus is best described as:

An allergic reaction by an insect

A body cavity where blood moves freely

A region of the heart that collects blood

A pulsating organ near the base of the wings

 

8.   Immediately after blood leaves an insect's aorta:

It is collected in the vena cava

It goes into the wings

It enters the ostia

It flows over the brain

 

9.   Which of these do NOT circulate in the blood of an insect?

Molting hormones

Antibodies

Nutrients

Nitrogenous waste products

 

10.   The blood cells of most insects:

Contain hemoglobin

Secrete platelets for clotting

Carry oxygen and carbon dioxide

Immobilize foreign bodies by encapsulation