Human A & P (Intro Chp 1) Midterm Exam Pt. 1

Front

What is the function of the respiratory system?

Back

The respiratory system is responsible for exchanging oxygen and carbon dioxide between the body and the environment.

Front

Why does heart rate increase during physical activity?

Back

Heart rate increases to deliver more oxygen and nutrients to the muscles that are working harder.

Front

Give an example of two body systems working together.

Back

Pulling your foot away from touching a nail involves the nervous system and muscular system working together.

Front

How do the cardiovascular and digestive systems work together?

Back

Nutrients from digested food are absorbed into the blood from the intestines and transported by the cardiovascular system.

Front

What is the role of the ribs in the skeletal system?

Back

The ribs protect the heart and lungs.

Front

What is the main purpose of the cardiovascular system?

Back

The cardiovascular system transports blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.

Front

What is the primary function of the digestive system?

Back

The digestive system breaks down food into nutrients that the body can use.

Front

What is homeostasis?

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and relaxes to help draw air into and push air out of the lungs.

Front

What are the main components of the circulatory system?

Back

The main components are the heart, blood vessels, and blood.