Circulation Review

Front

What controls the beating and rhythm of the heart?

Back

The sinoatrial node controls the beating and rhythm of the heart.

Front

What does pulmonary mean?

Back

Pulmonary refers to the lungs.

Front

How many times does a healthy adult heart beat at rest?

Back

A healthy adult heart beats about 70 times a minute at rest.

Front

What is the purpose of cellular respiration?

Back

The purpose of cellular respiration is to make ATP.

Front

What is the job of plasma in the blood?

Back

Plasma carries nutrients and blood cells through the vessels and allows the blood to flow.

Front

What are the two main circuits of the circulatory system?

Back

The two main circuits are the pulmonary circuit and the systemic circuit.

Front

What is the function of red blood cells?

Back

Red blood cells transport oxygen from the lungs to the body's tissues.

Front

What is the role of white blood cells?

Back

White blood cells protect the body against infections and foreign invaders.

Front

What is the function of platelets in the blood?

Back

Platelets help in blood clotting to prevent bleeding.

Front

What is the average blood pressure for a healthy adult?

Back

The average blood pressure for a healthy adult is around 120/80 mmHg.