Circulatory, Respiratory, and Nervous Systems Test Review

Front

What part of the neuron stores the nucleus and cytoplasm?

Back

Cell body

Front

______________ arteries travel to the lungs.

Back

Pulmonary

Front

What small structure is the site of gas exchange?

Back

Alveoli

Front

Which gas enters the blood stream when exhaling?

Back

Carbon dioxide

Front

What molecules are released into synapses from an axon terminal?

Back

Neurotransmitter

Front

What is the primary function of red blood cells?

Back

To transport oxygen throughout the body.

Front

What is the role of the diaphragm in respiration?

Back

To help expand and contract the lungs during breathing.

Front

What is the main function of the circulatory system?

Back

To transport nutrients, gases, hormones, and waste products throughout the body.

Front

What is the function of the alveoli in the lungs?

Back

To facilitate the exchange of oxygen and carbon dioxide.

Front

What is the pathway of blood through the heart?

Back

Blood flows from the body into the right atrium, then to the right ventricle, to the lungs, back to the left atrium, then to the left ventricle, and out to the body.