P4 Human Body Systems

How does the muscular system depend on the nervous system?

• The nervous system transports blood to the muscles.
• the nervous system provides support for the muscles.
• The nervous system supplies food and oxygen to the muscles.
• The nervous system send signals to the muscles to cause movement.

Which system is most closely associated with the brain?

• nervous
• muscular
• circulatory
• respiratory

Which of the following best describes the job of the skeletal system?

• Gives shape and support to the body.
• Sends messages from the stomach to the brain.
• Brings in and breaks down all nutrients for the body.

Karlie accidentally touches a hot surface and then quickly pulls her hand away.  Which two systems in the human body were involved with her action and reaction?

• nervous and muscular
• skeletal and circulatory
• nervous and respiratory
• muscular and respiratory

How are multi-celled organisms different from single-celled organisms?

• Multi-celled organisms must reproduce.
• Multi-celled organisms must obtain energy.
• Multi-celled organisms have microscopic body structures.
• Multi-celled organisms have specialized cells to perform life functions.

A unicellular organism is best described as being

• a complex organism.
• a microorganism.
• an organism with specialized cells.
• an organism with different types of tissues.

Which body system sends electrical signals to all other body systems?

• circulatory system

• digestive system

• muscular system

• nervous system

Which system of the human body provides protection to most of the major organs?

• skeletal system

• circulatory system

• respiratory system

• muscular system

Which example best shows structures that make up the digestive system in the human body?

• heart, blood, vessels

• nose, trachea, lungs

• brain, spinal cord, nerves

• esophagus, stomach, intestines

Which body system processes foods into a useable source of energy?

• circulatory

• digestive

• nervous

• skeletal