Nervous System
What is the neurotransmitter associated with muscle movement?
Acetylcholine.
Both the endocrine system and nervous system are major players in maintaining your body’s ____________.
Homeostasis.
The endocrine system is ___________ and ________________ when compared to the nervous system.
Slower; Longer-lasting.
Which hormone affects the production of urine in the kidneys?
Antidiuretic Hormone (ADH).
What are the major components of blood?
Plasma, Red Blood Cells, White Blood Cells, and Platelets.
The brain and spinal cord make up the ____________ nervous system, while the nerves extending from these organs throughout the rest of your body make up the ______________ nervous system.
Central; Peripheral.
Which gland serves as both an endocrine AND exocrine gland?
Pancreas.
Why is the pituitary gland called the master gland?
It controls the functions of other glands such as the thyroid.
Which hormone is responsible for sustaining milk production after childbirth?
Prolactin (PRL).
What is the function of hemoglobin?
Transportation of oxygen.
What part of the nervous system controls involuntary functions like the heart beating and digestion of food?
Autonomic branch of the peripheral nervous system.
What is the function of the hypothalamus?
It receives information from the neurons and then tells the pituitary gland what hormones to release.
What hormone controls red blood cell production?
Erythropoietin (EPO).
The adrenal medulla is stimulated by which system for a fast "fight or flight" response?
Nervous; Fast.
Which muscle tissue is striated with single nuclei and intercalated discs?
Cardiac Muscle Tissue.
What part of the nervous system controls voluntary functions like walking and writing?
Somatic branch of the peripheral nervous system.
What part of the brain controls vital functions like heart rate and breathing?
Medulla Oblongata.
Oxytocin is released during labor to stimulate more contractions. This is an example of...
Positive Feedback.
The anterior pituitary gets signals via what type of response, while the posterior pituitary gets signals via another?
Bloodstream; Neuroendocrine.
Why is it important that cancer cells do not invade nearby lymph nodes?
Once the cancer invades the lymph nodes, it spreads quickly through lymphatic vessels.
After Thanksgiving dinner, which part of the nervous system is taking control of your body?
Parasympathetic branch of the peripheral nervous system.
The fossa ovalis in a fetal heart allows blood to bypass which organ?
The lungs.
Which two hormones are released from the posterior pituitary?
Oxytocin and Antidiuretic Hormone.
How does ADH regulate water absorption?
Through negative feedback, because it is released when water needs to be absorbed and decreases if body fluids have excess water.
What is the purpose of the fossa ovalis in a fetal heart?
It shunts blood to bypass the pulmonary circuit because the lungs are not yet active.