The correct statement about how the nervous system interacts with other body systems is:
The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
This statement accurately reflects the role of the nervous system in regulating digestive processes through the autonomic nervous system, which sends signals to the stomach and intestines to facilitate digestion.
The other statements contain inaccuracies:
- The nervous system sends signals to muscles, not directly to the legs or skeletal system in the stated manner.
- The nervous system does not signal the heart to make more blood; it can regulate heart rate and blood vessel dilation.
- Ligaments do not bond to tendons; rather, ligaments connect bones to other bones, and tendons connect muscles to bones. The nervous system sends signals to muscles, not ligaments.