Respiratory and Nervous Systems

Question 1

External Respiration

Answer 1

the process of breathing in and out; gas exchange in the alveoli

Question 2

Gas Transport

Answer 2

Oxygen and carbon dioxide use the blood stream as a transportation system

Question 3

Internal Respiration

Answer 3

gas exchange in the capillaries

Question 4

Upper Respiratory Tract

Answer 4

nasal cavity
paranasal sinuses
pharynx

Question 5

Lower Respiratory Tract

Answer 5

larynx
trachea
bronchi

Question 6

Soma

Answer 6

cell body of a neuron

Question 7

Dendrites

Answer 7

fingerlike projections carry messages toward the soma

Question 8

Axon

Answer 8

long extension carries messages away from the soma

Question 9

Myelin Sheath

Answer 9

supports and insulates the axon, composed of special glial cells

Question 10

Synaptic Cleft

Answer 10

space between two neurons

Question 11

Reflex Arc

Answer 11

the nerve pathway involved in a reflex action

Question 12

What role in the reflex arc does the spinal cord play?

Answer 12

It allows your body to bypass the brain, reacting automatically and quickly.

Question 13

Cerebrum

Answer 13

upper portion of the brain, divided into left and right hemispheres

Question 14

Corpus Callosum

Answer 14

mass of nerve fibers allowing the hemispheres to communicate

found in the cerebrum

Question 15

Cerebral Cortex

Answer 15

outer layer of the cerebrum

Question 16

Gray Matter

Answer 16

responsible for processing information

found in the cerebrum

Question 17

White Matter

Answer 17

responsible for carrying information

found in the cerebrum

Question 18

Frontal Lobes

Answer 18

center of reasoning, movement, emotions, problem solving, and some parts of speech
found in the cerebrum

Question 19

Parietal Lobes

Answer 19

responsible for processing sense of touch

found in the cerebrum

Question 20

Temporal Lobes

Answer 20

associated with speech perception, hearing, and some types of memory
found in the cerebrum

Question 21

Occipital Lobes

Answer 21

receives input from your eyes and referred to as the visual cortex
found in the cerebrum

Question 22

Cerebellum

Answer 22

found t the back of your head under the cerebrum

functions to coordinate skeletal muscle activity

Question 23

Brainstem

Answer 23

connects to the spinal cord and controls involuntary functions