Nervous System Divisions
Name the two main divisions of the nervous system.
CNS and PNS
What do proprioceptors provide information about?
Body position and movements
Name two main endocrine organs.
Hypothalamus and pituitary gland
Which hormone lowers blood sugar?
Insulin
What type of feedback loops do endocrine glands use?
Negative feedback loops
What organs make up the CNS?
Brain and spinal cord
Which receptors sense changes in blood pressure?
Baroreceptors
Which gland secretes antidiuretic hormone?
Pituitary gland
Which hormone raises blood sugar?
Glucagon
What are the three sources of info that affect hormone secretion?
Neural, humoral, hormonal
What does the PNS consist of?
All nerves outside the CNS
Which receptors detect chemical stimuli?
Chemoreceptors
Which organ secretes insulin and glucagon?
Pancreas
Which hormones increase heart rate and force of contraction?
Epinephrine & norepinephrine
Which gland regulates pituitary action using hormones + nervous signals?
Hypothalamus
Which system controls voluntary skeletal muscle movement?
Somatic nervous system
Which organ is critical for coordinating movement?
Cerebellum
Which gland regulates metabolism?
Thyroid gland
Which hormone helps joints move easily by storing glycogen?
Oestrogen
Which gland, with the hypothalamus, maintains homeostasis?
Pituitary gland
Which system regulates involuntary bodily functions?
Autonomic nervous system (sympathetic + parasympathetic)
Which structure connects the brain and spinal cord?
Brain stem
Name three additional endocrine glands.
Pineal gland, adrenal gland, ovaries/testes
Which hormone plays a key role in pregnancy and thermoregulation?
Progesterone
Which male hormone aids bone formation, muscle growth, and red blood cell production?
Testosterone