nervous system
feedback mechanisms
circulatory system
heart anatomy
100

this system is responsible for receiving, processing and responding to information

what is the nervous system?

100

this type of feedback loop works to reverse a change and bring back the body to a stable state.

what is a negative feedback loop?
100

this type of circulation moves blood between the heart and the lungs.

what is pulmonary circulation?

100

the human heart has this many chambers?

what is four?

200

the nervous system allows for rapid communication of physiological functions before, during, and after this activity.

what is exercise?

200

when the body temperature rises, this mechanism triggers sweating to help cool the body down. 

what is a negative feedback loop?

200

this type of circulation moves blood between the heart and the rest of the body.

what is systemic circulation?

200

these upper chambers of the heart receive blood from the body and lungs.

what are the atria?

300

this term refers to the body's ability to adjust to keep functions within limits and maintain balance.

what is homeostasis?

300

this type of feedback loop amplifies a change in the body rather than reversing it.

what is a positive feedback loop?

300

these blood vessels carry oxygen-rich blood away from the heart.

What are arteries?

300

this structure in the heart generates electrical impulses to regulate the heartbeat.

what is the SA node?

400

this type of involuntary response is controlled by the nervous system and helps protect the body from harm.

what is a reflex?

400

when a blood vessel is damaged, the body forms a clot to stop the bleeding. this is an example of what type of feedback loop?

what is a positive feedback loop?

400

these tiny blood vessels are the site of gas and nutrient exchange.

what are capillaries?

400

this part of the nervous system slows down the heart rate.

what is the parasympathetic nervous system?

500

this function of the nervous system helps us become aware of our surroundings, form memories and think.

what is conscious awareness?

500

unlike negative feedback, positive feedback contrinutes a process until what occurs?

what is a resolution? (the desired outcome)

500

these blood vessels carry blood back to the heart.

what are veins?

500

this major artery carries oxygenated blood from the heart to the rest of the body.

what is the aorta?