Oxygen is taken into the body from the environment, and carbon dioxide is removed from the body and released into the environment. Which body system is responsible for exchanging gases with the environment? (1 point)
• nervous system
• circulatory system
• endocrine system
• respiratory system
respiratory system
skeletal system
circulatory system
nervous system
A football player gets tackled during the game, which of the following body systems is responsible for protecting their organs? (1 point)
• circulatory system
• reproductive system
• skeletal system
• nervous system
Make the connection: your heart is dependent on oxygen from your respiratory system, and it is delivered by the (1 point)
muscular system.
respiratory system.
• circulatory system.
nervous system.
Predict which body system interacts with the one shown in this image to let you know that you are hungry.
(1 point)
O digestive system
O
nervous system
respiratory system
circulatory system