24-25 TCBOE Science 7 Post 3

Different systems of the human body perform different functions. Which system takes oxygen from the air to be moved by the circulatory system?

• the respiratory system

• the digestive system

• the nervous system

• the skeletal system

Which two body systems are directly involved in movement?

• muscular and skeletal

• digestive and muscular

• skeletal and respiratory

• respiratory and digestive

Which term belongs in the box that describes this system?

• A. Circulatory

• B. Endocrine

• C. Excretory

• D. Respiratory

Cells need nutrients for energy. Which system is responsible for breaking down food to provide cellular energy?

• digestive
• excretory

• circulatory

• respiratory

The table describes some human body systems. Which row provides correct information?

• 1

• 2

• 3

• 4

Which best describes how the human circulatory and respiratory systems interact?

• The heart removes waste built up in the lungs.

• Oxygen enters the bloodstream directly from the nose.

• Oxygen is transferred to the bloodstream as blood passes by the lungs.

• The heart pumps air into the blood through the lungs.

The nose, mouth, and diaphragm are parts of which body system?

• digestive

• respiratory

• circulatory

• nervous

While studying the circulatory system in class, Esther claims that the heart is a muscle. Aliyah disagrees, and tells Esther that the heart is actually —

• an organ

• a tissue

• an organism

• a system

The body is made up of many systems that interact with one another. For example, the skeletal system and the muscular system work together to help the body move. Which system works with the respiratory system to distribute oxygen to the body?

• muscular system

• digestive system

• lymphatic system

• circulatory system

Casey yawned. Which two body systems are most involved in making Casey yawn?

• A. circulatory and digestive

• B. respiratory and nervous

• C. skeletal and respiratory

• D. nervous and excretory