Although it was raining, Sheila stopped to help the puppy who had fallen into the deep hole.

What is the structure of this sentence?
Responses
A complexcomplex
B compoundcompound
C compound-complexcompound-complex
D simple

3 answers

C compound-complex
Which body systems interact when going on a run? Explain.
When going on a run, several body systems interact to work together in order to support and sustain the physical activity. The cardiovascular system plays a crucial role in transporting oxygen and nutrients to the muscles needed for running, while removing waste products like carbon dioxide. The respiratory system works in tandem with the cardiovascular system by bringing in oxygen through breathing, which is then carried by the blood to the muscles.

Additionally, the musculoskeletal system is heavily involved during running as it includes the muscles, bones, and joints that work together to produce movement and support the body. The muscular system, in particular, contracts and relaxes to generate the force needed for running while the skeletal system provides structure and support. The nervous system also plays a key role in coordinating muscle movements and balance during the run.

Furthermore, the integumentary system, which includes the skin, helps in regulating body temperature and sweating during the run to prevent overheating. The endocrine system, specifically hormones like adrenaline, regulate metabolism and energy levels needed for physical activity. Finally, the digestive system provides nutrients and energy through the break down of food to fuel the body during the run.

Overall, during a run, the cardiovascular, respiratory, musculoskeletal, nervous, integumentary, endocrine, and digestive systems all work together in a coordinated manner to support the physical activity and sustain the body's energy needs.