Grade 4 Evs

The _______________ controls all the organ systems of our body.

• Brain

• Lungs

• Kidney

• Liver

Which of the following is located in our chest ?

• Heart

• Kidneys

• Small intestine

• Stomach

The organ in the above diagram is _______________________ .

Our _________________________ system enables us to breathe.

• Blood circulatory

• Respiratory

• Nervous

Our _________________________ system carries digested food and oxygen to all parts of our body.

• Nervous

• Blood circulatory

• Digestive

Our ____________________ system breaks down food into simpler forms that our body can absorb and use.

• Digestive

• Excretory

• Nervous

Our _______________________ system removes waste products,and excess water and salts from our body.

• Digestive

• Nervous

• Excretory

Our _____________________ system controls the activities of our body.

• Nervous

• Digestive

• Blood circulatory

Gives the body structure and protection.

• Endocrine

• Digestive

• Skeletal

Which organ system includes the brain, spinal cord, and nerves?

• Nervous system
• Muscular system
• Skeletal system
• Excretory system