Mental Science 9 T2 Week 2 TUESDAY

What is homeostasis?

• the maintenance of a constant external environment of the organism

• A state of chaos between all the body systems

• the maintenance of a constant internal environment within a body

What kind of response occurs when a person catches a ball

• Reflex

• Stimulus

• Fight or flight

• all of the above

What is a body system?

• The systems of the universe

• Organs that work together to perform a specific function

• The organ that regulate the body’s temperature

The nervous system works by sending electrical messages around the body.

• True

• False

How does the endocrine system primarily communicate?

• Through nerve impulses

• By releasing hormones into the bloodstream

• Using sound waves

Which body system is primarily responsible for gas exchange?

• The digestive system

• The circulatory system

• The respiratory system

What role does the skeletal system play in the human body?

• It digests food

• It protects internal organs and supports body structure

• It controls growth and development

Which system in the human body is responsible for transporting nutrients, oxygen, and wastes?

• The nervous system

• The digestive system

• The circulatory system

What is the primary function of the respiratory system?

• To pump blood throughout the body

• To help the body move

• To facilitate gas exchange

How is a stimulus response different to a reflex response?