Science Ch. 2

Front 1

Closed Circulatory System

Back 1

A circulatory system in which the heart pumps blood through a network of blood vessels to form a closed loop.

Front 2

Open Circulatory System

Back 2

A circulatory system in which the circulatory fluid is not contained entirely within vessels

Front 3

3 Main Body Parts of an Arthropod

Back 3

1. head
2. thorax
3. abdomen

Front 4

4 Characteristics of Arthropods

Back 4

1. Segmented body with specialized parts
2.Jointed limbs
3. An exoskeleton
4. A well-developed nervous system

Front 5

Relationship Between Parasites and Hosts

Back 5

Parasites are oranisms that invade and feed on hosts

Front 6

3 Functions of Neurons

Back 6

1. Sensory neurons typically have a long dendrite and short axon, and carry messages from sensory receptors to the central nervous system.
2. Motor neurons have a long axon and short dendrites and transmit messages from the central nervous system to the muscles (or to glands).
3. Interneurons are found only in the central nervous system where they connect neuron to neuron.