2021 PBS Unit 1.2 Review

Front

What is the main function of the aorta?

Back

The aorta carries oxygenated blood from the heart to the rest of the body.

Front

What body system is responsible for filtering fluid and attacking foreign substances?

Back

The immune system.

Front

What is algor mortis?

Back

Algor mortis is the postmortem cooling of the body.

Front

How can algor mortis help determine the time of death?

Back

By measuring the body temperature and comparing it to the normal body temperature, one can estimate the time since death.

Front

What are the three types of muscle tissue?

Back

Skeletal, cardiac, and smooth muscle.

Front

What does livor mortis refer to?

Back

Livor mortis is the pooling of blood in the body after death.

Front

What is rigor mortis?

Back

Rigor mortis is the stiffening of the muscles after death.

Front

What is the role of the cardiovascular system?

Back

The cardiovascular system transports blood, nutrients, gases, and wastes throughout the body.

Front

What is the primary function of the immune system?

Back

To protect the body against infections and foreign invaders.

Front

What is the significance of body temperature in determining time of death?

Back

Body temperature decreases at a predictable rate after death, which can help estimate the time of death.