Biology Exercise 20: Brain Structures and Functions

Question 1

Contains vital centres that regulate hearing, breathing, blood pressure, vomiting, coughing

Answer 1

medulla

Question 2

Smoothes and coordinates skilled skeletal muscle movement; also posture and balance or equilibrium

Answer 2

cerebellum

Question 3

Secretes melatonin that controls the sleep-wake cycle

Answer 3

pineal gland

Question 4

Controls and integrates the autonomic nervous system; regulates hormones, emotional behaviour, temperature, eating, and drinking behaviour

Answer 4

hypothalamus

Question 5

Interprets sensory input, controls skilled skeletal muscle movements, and is involved in emotional and intellectual processes

Answer 5

cerebrum

Question 6

Helps control breathing; conducts impulses to and from the cerebellum, midbrain and medulla

Answer 6

pons

Question 7

Relays all sensory input to the cerebral cortex; involved in skeletal muscle actions and memory processing

Answer 7

thalamus

Question 8

Coordinates visual and auditory reflexes

Answer 8

midbrain

Question 9

Coordinates gross, automatic muscle movements; also involved with the limbic system

Answer 9

basal nuclei

Question 10

White fibre tracts communicating between hemispheres

Answer 10

corpus callosum