Nervous system
What is the functional unit of the nervous system?
Neuron
What is the largest artery in the body?
Aorta
What is the process of gas exchange in the lungs called?
Pulmonary respiration
Which part of the brain controls balance and coordination?
cerebellum
What is the primary function of red blood cells?
Transport oxygen and carbon dioxide
What is the primary muscle responsible for breathing?
Diaphram
What is the name of the gap between two neurons where neurotransmitters are released?
synapse
What is the term for the contraction phase of the heart cycle?
systole
What is the term for the maximum amount of air a person can exhale after a deep breath?
Vital capacity
Which nervous system division controls involuntary functions like heart rate and digestion?
Autonomic Nervous System
What is the pacemaker of the heart called?
SA (sinoatrial) node
What is the primary function of the respiratory system?
To exchange gases (oxygen and carbon dioxide) between the blood and the air.
What neurotransmitter is primarily responsible for muscle contraction?
Acetylcholine
What is the term for the amount of blood the heart pumps per minute?
cardiac output
What is the name of the air sacs in the lungs where gas exchange occurs?
Alveoli