As a runner begins to run a race, his or her respiration rate will increase. The runner begins to breathe deeper and at a rapid rate. In addition, the heart beats more quickly. This will result in more oxygen delivered to the muscle cells. Which two body systems are working together to help out the muscle cells?

The respiratory system is responsible for taking in oxygen and releasing carbon dioxide. When a person walks, he or she breathes at a fairly slow rate. However, when he or she starts running, the oxygen requirement of the body increases, and the body is signaled to increase the rate at which the person breathes. Which body system interacts with the respiratory system to signal that the body's oxygen requirement has changed? A. musculoskeletal B. excretory C. nervous D. digestive

When you exercise, your muscle cells need more oxygen and produce more carbon dioxide. You breathe more deeply and quickly, and your heart beats harder and faster. Using your knowledge of body systems, explain how these facts about cells, breathing and the heart are connected. You can create a diagram or upload a photo of a diagram you have drawn.

In the human body, muscle cells have an increased need for energy during exercise.  To help supply this energy, the cells will contain more of which organelle?

Which two body systems work together to regulate the functions in your body?

Which statement best describes an interaction between the muscular system and the respiratory system?Group of answer choicesThe diaphragm contracts causing the chest cavity to expand, which draws air into the lungs.Nutrients absorbed in the small intestine are transported in blood to the brainThe hormone adrenaline causes blood vessels to contract and send more blood to major muscles.Metabolic wastes generated by muscle cells are eliminated in urine.