body systems

The main purpose of the ____________ system is to break food particles into pieces that can be used.

• circulatory
• respiratory
• digestive
• skeletal

What is responsible for delivering oxygen and removing carbon dioxide from the body?

• cell nucleus
• excretory system
• nervous tissue
• respiratory system

Which of the following body systems work together for support, protection, and movement?

• respiratory and cardiovascular
• skeletal and muscular
• skeletal and integumentary
• digestive and respiratory

Your skin and hair are parts of your ___________

• endocrine system
• excretory system
• lymphatic system
• integumentary system

This is a system in the body that includes the brain, spinal cord, and nerves. It coordinates and controls the body's actions.

• digestive system

• nervous system

• circulatory system

• muscular system

The main purpose of the ________ system is to produce hormones for the body.

• excretory
• digestive
• reproductive
• endocrine

What is the most important function of the excretory system?

• Break down food

• Pump blood

• Remove waste

• Voluntary movement

What is this?

• Digestive system
• Respiratory system
• Circulatory system
• Reproductive system

What is this?

• Digestive system
• Respiratory system
• Circulatory system
• Reproductive system

What is this?

• Digestive system
• Respiratory system
• Circulatory system
• Excretory system