Vertebrates
Invertebrates (1)
Invertebrates (2)
Central Nervous System
Peripheral Nervous System
100

Bull

meat-eating mammal

hoofed mammal

insect- eating mammal


hoofed mammal

100

Pore-bearing animals

Sponges

100

Segmented worms

Annelids

100

It is the main organ of the nervous system.

brain

100

It is a type of nerve that carries impulses from the central nervous system to activate the muscles in the body.

Motor Nerve/ Motor Neuron

200

Whale

meat-eating mammal

aquatic mammal

insect- eating mammal


aquatic mammal

200

Joint-legged animals

Arthropods
200
Flatworms

Platyhelminthes

200

It is responsible for the higher thinking processes such as memory, judgement, and reason.

cerebrum

200

It contains all the nerves outside the brain and the spinal cord.

Peripheral nervous system

300

Platypus

placental mammal

monotreme

marsupial


monotreme

300

Soft-bodied animals

Mollusks

300

Stinging-cell animals

Cnidarians

300

It is responsible for receiving visual stimuli.

Occipital lobe

300

It is a built-in defense mechanism of your body that works without involving the brain so you can respond to stimuli quickly.

Reflex

400

Lizard (Iguana)

reptile

amphibian

mammal


reptile

400

Spiny-skinned animals

Echinoderms

400

Roundworms

Nematodes

400

It connects the brain and the spinal cord. It controls involuntary activities like digestion, heartbeat, and breathing.

cerebrum

cerebellum

brain stem

Brain stem

400

It is involved in our fight or flight response.

somatic nervous system

sympathetic nervous system

parasympathetic nervous system

Sympathetic nervous system

500

What is the difference between a crocodile and an alligator?

Alligators have u-shaped snout while crocodiles have a v-shaped snout.

500

Oysters, clams, and snails are examples of which invertebrate?

Mollusks

500

Hydra, jellyfish, and sea anemone are examples of which invertebrate?

Cnidarians

500

It acts as the connection between the brain and the other parts of the body.

brain

brain stem

spinal cord

Spinal cord

500

It carries impulses from the stimulus to the central nervous system for processing.

a. Sensory nerve

b. Motor nerve

Sensory Nerve