7.1 bio

Which describes one thing that happens during thermoregulation when a sensor recognizes that a person's temperature is 35 degrees Celsius?

Blood vessels under the skin expand

Which describes one thing that happens during thermoregulation when a sensor recognizes that a person's temperature is 39 degrees C?

Blood vessels under the skin expand.

What is a negative feedback loop?

a closed path that tends to reduce the activity of a body system

Which of the following are examples of positive feedback loops? (Choose all that apply)

blood clotting contractions during the process of giving birth

What role do the muscles and blood vessels play in the negative feedback loop of thermoregulation?

effector

What is the total of all of the processes the body uses to keep its internal environment about the same?

homeostasis

Which is the function of the hypothalamus in thermoregulation?

integrating center

Which describes a pathway that tends to slow down a process?

negative feedback loop

What word is used to describe the normal, or target, value for something?

set point

What is a positive feedback loop?

something that carries out a response

Which of the following are examples of negative feedback loops? (Choose all that apply)

thermoregulation regulation of blood sugar levels