Living Environment: Body Systems

What are the main functions of the circulatory system?

The circulatory system transports blood, nutrients, gases, and wastes throughout the body, helps maintain body temperature, and plays a key role in the immune response.

What organs are part of the respiratory system?

The respiratory system includes the nose, pharynx, larynx, trachea, bronchi, and lungs, which work together to facilitate breathing and gas exchange.

What is the primary role of the digestive system?

The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste.

How does the nervous system communicate within the body?

The nervous system communicates through electrical impulses and neurotransmitters transmitted by neurons, controlling body functions and processes.