5.5 Animal responses

Question 1

What are the two parts of the nervous system?

Answer 1

CNS and PNS

Question 2

What are the two parts of the CNS?

Answer 2

brain and spinal cord

Question 3

What are the two parts of the PNS?

Answer 3

Sensory system and motor system

Question 4

What are the two parts of the motor system?

Answer 4

somatic and autonomic nervous system

Question 5

What effectors are in the somatic?

Answer 5

voluntary skeletal; muscles (one neuron)

Question 6

What effectors are in the autonomic?

Answer 6

glands, cardiac and smooth muscle (involuntary)
two neurons mostly unmyelinated

Question 7

What are the two parts of the autonomic nervous system?

Answer 7

sympathetic and parasympathetic

Question 8

Page 92 table

Answer 8

yay

Question 9

Where is the cerebrum and what is its funciton?

Answer 9

the two halves of the brain, higher thought process (thought and memory)

Question 10

Where is the cerebellum and what is its function?

Answer 10

back under the cerebrum, coordinates movement and balance

Question 11

Where is the hypothalamus and pituitary complex and what is its function?

Answer 11

middle of brain, organises homeostatic responses and controls various physiological process

Question 12

where is the medulla oblongata and what is its function?

Answer 12

middle going down, coordinates many autonomic responses

Question 13

What are the nerves between the cerebrum?

Answer 13

corpus callosum

Question 14

what is the outermost layer of the cerebrum called?

Answer 14

cerebral cortex

Question 15

What sensory receptors are connnected to the cerebellum?

Answer 15

retina, balance organs in inner ear, spindle fibres in muscles

Question 16

What are the cerebrum and cerebellum connected by?

Answer 16

pons

Question 17

how is the posterior lobe of the pituitary gland connected to the hypothalamus?

Answer 17

specialized neurosecretory cells

Question 18

what passes down the neurosecretory cells?

Answer 18

hormones produced in the hypothalamus such as ADH and released into blood

Question 19

what do hormones from the anterior pituitary gland control?

Answer 19

stress, growth, reproduction and lactation

Question 20

what does the anterior pituitary gland respond to?

Answer 20

releasing hormones

Question 21

what 3 centres are controlled by the medulla oblongata?

Answer 21

cardiac
vasomotor
respiratory

Question 22

what type of reflex is blinking?

Answer 22

cranial reflex

Question 23

why does blinking occur?

Answer 23

• suddden bright light
• loud sounds
• foreign object
• sudden movement close to the eye

Question 24

where does sensory input from the cornea go?

Answer 24

pons
relay - motor - facial

Question 25

which part of the brain can inhibit blinking?

Answer 25

cerebreal cortex as myelinated vs unmyelinated relay neurons in pons

Question 26

why type of reflex is the knee reflex?

Answer 26

spinal reflex

Question 27

what muscle in the knee contracts to straighten

Answer 27

quadriceps

Question 28

what detects and increase in muscle in the knee

Answer 28

muscle spindles

Question 29

what can the knee freflex not be inhibitied>

Answer 29

it has no relay neuron to slow it down