Human Body System

What is the main function of epithelial tissue?

• To cover the outside of the body and line organs and cavities

• To send electrical signals

• To help in movement

• To join bones and cushion organs

Which of the following systems is responsible for carrying oxygen, water, and nutrients to cells throughout the body?

• Respiratory system

• Digestive system

• Circulatory system

• Nervous system

What happens if one system in the body isn't working properly?

• Other systems are unaffected

• Other systems are affected

• The body stops functioning

• The body becomes stronger

Which body system is responsible for absorbing water and nutrients from food?

• Respiratory system

• Digestive system

• Circulatory system

• Nervous system

How do the bones and muscles work together in the body?

• They support and move the body

• They send electrical signals

• They absorb nutrients

• They carry oxygen

What is the role of the nervous system in the body?

• To control all activities with electrical impulses

• To absorb nutrients

• To carry oxygen

• To join bones

Which of the following is an example of how body systems work together?

• The digestive system and the nervous system send signals

• The respiratory system and the circulatory system exchange gases

• The skeletal system and the excretory system filter blood

• The muscular system and the endocrine system produce hormones