Circulatory & Respiratory System Vocab Review

muscular organ about the size of a fist, pumps blood throughout the circulatory system

• artery

• heart

• vein

• capillaries

carry oxygen and nutrients away from the heart

• vein

• capillaries

• artery

• heart

carry carbon dioxide and waste towards the heart

• vein

• artery

• capillaries

• heart

tiny blood vessels connecting the arteries and veins

• heart

• artery

• vein

• capillaries

organ that fills with oxygen and dispels carbon dioxide; primary organ of the respiratory system that carries out the exchange of gases as we breath

• trachea

• alveoli

• lungs

• diaphragm

a hollow tube that connects the larynx to the right and left bronchus

• trachea

• bronchus

• bronchioles

• alveoli

the two major air passageways leading from the trachea to the lungs

• trachea

• bronchus

• bronchioles

• alveoli

the smallest air passageways coming off of the bronchi

• trachea

• alveoli

• diaphragm

• bronchioles

the air sacks at the end of the bronchioles where the gas exchange takes place (oxygen in & carbon dioxide out)

• respiration

• bronchioles

• alveoli

• trachea

a sheet of internal skeletal muscle that pulls and pushes against the lungs as we inhale and exhale; separates thoracic cavity from the abdominal cavity

• diaphragm

• respiration

• alveoli

• lungs