Stability, balance, or equilibrium within a cell or the body is known as ________________.
Homeostasis
The function of the nervous system is:
(A) regulation of body systems and processes
(B) coordination of body systems and processes
(C) cell communication
(D) all of the above
(D) all of the above
Your nervous systems works to regulation and coordinate all body systems and life processes/activities, as well as help cells communicate with one another
Body system that breaks down and absorbs nutrients that can be used to make energy or build other organic molecules needed by the body
Digestive System
What are the chemical messengers of the endocrine system?
Hormones
Which type of macromolecule are hormones?
What is more common: Positive Feedback or Negative Feedback?
Negative Feedback
Are nervous system signals electrical or chemical?
Electrical (impulses)
Body system that transports materials throughout the body
Circulatory System
How do hormones travel through the body?
The bloodstream/circulatory system
Estrogen and progesterone
Is temperature regulation is an example of positive or negative feedback?
Negative feedback
Nerve cells are called ____________.
Neurons
Body system that exchanges carbon dioxide for oxygen
Respiratory System
Where are hormone receptors found?
On target cells/organs
Pancreas
Is blood clotting an example of positive or negative feedback?
Positive feedback
What are the chemicals released by axon terminals that carry the electrical impulse across the synapse?
Neurotransmitters
Body system that filters the blood of waste and eliminates it from the body
What is the master gland of the endocrine system?
Pituitary gland
Do hormones causes slow or fast changes in cells?
Slow, long-lasting changes
What are the two hormones secreted by the pancreas to regulate blood glucose (sugar) levels?
Insulin and glucagon
What do you use to detect stimuli that your nervous system responds to?
Your senses! Sight, taste, touch, smell, hearing
Body system that fights off foreign invaders using white blood cells
Immune System
What disease is characterized by an inability to produce insulin?
Diabetes mellitus
How do hormones determine their target cell?
Hormone receptor is on the surface of a target cell