Biology Lab Final ( Nervous System)

Question 1

Earthworm - Cerebral Ganglion

Answer 1

sends signals back and forth to brain

controls movement

Question 2

Earthworm - Nerve Cord

Answer 2

allowing earthworms to move and respond to light, touch, chemicals, vibrations and more

Question 3

Crayfish - Cerebral Ganglion

Answer 3

control three types of motor activities: rhythmic beating of the abdominal appendages (the swimmerets), rapid tailflips during backward swimming, and maintenance of abdominal posture.

Question 4

Crayfish - VENTRAL Nerve Cord

Answer 4

coordinates neural signaling from the brain to the body and vice versa, integrating sensory input and locomotor output

Question 5

Frog - Spinal Cord

Answer 5

processes the frog’s reflexes and conducts signals between the body and the brain

Question 6

Frog - Medulla Oblongata

Answer 6

egulates automatic functions such as digestion and respiration

Question 7

Frog - Optic Lobe

Answer 7

function in vision

Question 8

Frog - Olfactory Lobe

Answer 8

connect to the nostrils and then to the olfactory lobes (A) where odors are processed

Question 9

Sheep Brain - Gyrus

Answer 9

The ridges - increase surface area

Question 10

Sheep Brain - Sulcus

Answer 10

the grooves - increase surface area

Question 11

Sheep Brain - Cerebellum

Answer 11

storing the skills memories and refining the coordination and sequence of the movements

Question 12

Sheep Brain - Cerebral Cortex

Answer 12

critical thinking

Question 13

Sheep Brain - Thalamus

Answer 13

‘relay station’ for sensory information. & motor signals

Question 14

Sheep Brain - Hypothalamus

Answer 14

control of feeding behavior, drinking, sexual behavior, temperature regulation, and rage responses

Question 16

Sheep Brain - Medulla Oblongata

Answer 16

controls vital functions like heartbeat and respiration.

Question 17

Sheep Brain - Pons

Answer 17

serves as a bridge between the medulla and the upper brainstem, and it relays messages between the cerebrum and the cerebellum

Question 18

Sheep Brain - Pineal Gland

Answer 18

Pineal plays an important role in regulation of seasonal breeding in various vertebrate species.

Question 19

Sheep Brain - Corpus Callosum

Answer 19

The corpus callosum is a bundle of white fibers that connects the two hemispheres of the brain, providing coordination between the two