Control And Coordination Flashcards
What is the primary function of the nervous system?
To control and coordinate body activities.
True or False: Hormones are released directly into the bloodstream.
True.
Fill in the blank: The two main systems responsible for control and coordination in the body are the __________ and the __________ systems.
nervous, endocrine.
What are neurons?
Specialized cells that transmit nerve impulses.
What is the role of the central nervous system?
To process information and coordinate responses.
Multiple Choice: Which part of the neuron receives signals?
Dendrites.
What is a synapse?
The junction between two neurons.
True or False: The endocrine system uses electrical signals for communication.
False.
What are hormones?
Chemical messengers that regulate physiological processes.
Fill in the blank: The __________ gland is known as the ‘master gland’ of the endocrine system.
pituitary.
What is homeostasis?
The maintenance of a stable internal environment.
Multiple Choice: Which hormone is responsible for regulating blood sugar levels?
Insulin.
What is the function of the spinal cord?
To transmit signals between the brain and the rest of the body.
True or False: Reflex actions are voluntary responses.
False.
What is a reflex arc?
A neural pathway that controls a reflex action.
Fill in the blank: The __________ nervous system controls voluntary movements.
somatic.
What is the autonomic nervous system responsible for?
Involuntary control of body functions.
Multiple Choice: Which part of the brain is involved in balance and coordination?
Cerebellum.
What is the role of neurotransmitters?
To transmit signals across synapses between neurons.
True or False: The hypothalamus regulates body temperature.
True.
Fill in the blank: __________ is the process by which the nervous system integrates sensory information.
Processing.
What is the difference between endocrine and exocrine glands?
Endocrine glands secrete hormones into the bloodstream; exocrine glands secrete substances through ducts.
Multiple Choice: Which hormone is produced by the adrenal glands?
Adrenaline.
What is the function of the pancreas in the endocrine system?
To regulate blood sugar levels through insulin and glucagon.
True or False: The cerebrum is responsible for higher brain functions.
True.
Fill in the blank: The __________ system helps the body respond to stress.
endocrine.
What role do sensory receptors play?
They detect stimuli from the environment.
Multiple Choice: Which type of neuron transmits impulses to muscles?
Motor neurons.
What is the function of the thalamus?
To relay sensory information to the cerebral cortex.
True or False: The limbic system is involved in emotions and memory.
True.
Fill in the blank: The __________ nervous system prepares the body for ‘fight or flight’.
sympathetic.
What is the role of the parasympathetic nervous system?
To promote ‘rest and digest’ activities.
Multiple Choice: Which part of the neuron sends signals away from the cell body?
Axon.
What is the primary function of the medulla oblongata?
To control involuntary functions such as breathing and heart rate.
True or False: Myelin sheath increases the speed of nerve impulses.
True.
Fill in the blank: __________ is a condition caused by a lack of insulin.
Diabetes.
What is the function of the adrenal medulla?
To produce adrenaline and noradrenaline.
Multiple Choice: Which hormone is primarily responsible for the ‘fight or flight’ response?
Adrenaline.
What is feedback inhibition?
A regulatory mechanism in which the output of a process inhibits its own production.
True or False: Endocrine glands have ducts.
False.
Fill in the blank: The __________ is a part of the brain that regulates sleep and wakefulness.
reticular formation.
What is the effect of oxytocin?
It stimulates uterine contractions during childbirth.
Multiple Choice: Which hormone is released in response to stress?
Cortisol.
What is the role of the thyroid gland?
To regulate metabolism through hormone secretion.
True or False: The pituitary gland is located at the base of the brain.
True.
Fill in the blank: The __________ lobe is associated with vision.
occipital.
What is the primary function of the nervous system?
To coordinate and control body activities.
True or False: The endocrine system is responsible for rapid responses.
False
Fill in the blank: The basic unit of the nervous system is the ______.
neuron
What are the two main types of cells in the nervous system?
Neurons and glial cells.
What is a reflex arc?
A neural pathway that controls a reflex action.
True or False: Hormones are released directly into the bloodstream.
True
What is the role of neurotransmitters?
To transmit signals across synapses between neurons.
Name the part of the brain responsible for coordinating voluntary movements.
Cerebellum.
Multiple Choice: Which gland is known as the ‘master gland’?
Pituitary gland.
What is homeostasis?
The maintenance of stable internal conditions in the body.
Fill in the blank: The ______ system regulates long-term changes in the body.
endocrine
What type of feedback mechanism is involved in hormone regulation?
Negative feedback.
True or False: The spinal cord is part of the central nervous system.
True
What is the function of the autonomic nervous system?
To control involuntary bodily functions.
Multiple Choice: Which hormone is primarily responsible for the fight or flight response?
Adrenaline.
What is the primary role of the hypothalamus?
To regulate homeostasis and the endocrine system.
Fill in the blank: The ______ connects the brain to the peripheral nervous system.
spinal cord
What is synaptic transmission?
The process by which a signal is transmitted from one neuron to another.
True or False: The somatic nervous system controls voluntary movements.
True
What is the role of the myelin sheath?
To insulate axons and speed up signal transmission.
What are the two divisions of the peripheral nervous system?
Somatic and autonomic.
Multiple Choice: Which part of the neuron receives signals?
Dendrites.
What is the main function of the cerebrum?
To process sensory information and control voluntary responses.
Fill in the blank: The ______ lobe is responsible for processing visual information.
occipital
What is the primary function of the adrenal glands?
To produce hormones that regulate metabolism, immune response, and stress.
True or False: The sympathetic nervous system prepares the body for rest and digestion.
False
What is the role of the corpus callosum?
To connect the left and right hemispheres of the brain.
Multiple Choice: Which hormone lowers blood sugar levels?
Insulin.
What is the function of sensory receptors?
To detect changes in the environment and send signals to the nervous system.
Fill in the blank: The ______ is responsible for regulating the sleep-wake cycle.
pineal gland
What is the primary role of the thalamus?
To relay sensory information to the appropriate areas of the brain.
True or False: The endocrine system uses electrical signals to communicate.
False
What is the function of the pituitary gland?
To secrete hormones that regulate various bodily functions.
Multiple Choice: Which neurotransmitter is associated with mood regulation?
Serotonin.
Fill in the blank: The ______ nervous system is responsible for the ‘rest and digest’ response.
parasympathetic
What is the function of the medulla oblongata?
To control autonomic functions such as breathing and heart rate.
True or False: All hormones are proteins.
False
What is the role of the somatic nervous system?
To control voluntary movements of skeletal muscles.
Multiple Choice: Which part of the neuron transmits impulses away from the cell body?
Axon.
Fill in the blank: The ______ is the part of the brain that controls balance and coordination.
cerebellum
What is the role of glial cells?
To support and protect neurons.
True or False: The hypothalamus plays a role in temperature regulation.
True
What is the function of the cerebellum?
To coordinate voluntary movements and maintain posture.
Multiple Choice: Which hormone is released during stress?
Cortisol.
Fill in the blank: The ______ system helps in quick responses to stimuli.
nervous
What is the primary function of the spinal cord?
To transmit signals between the brain and the rest of the body.
True or False: The endocrine system provides immediate responses to stimuli.
False
What is the role of the sympathetic nervous system?
To prepare the body for fight or flight responses.
Multiple Choice: Which part of the brain is responsible for emotional responses?
Limbic system.
Fill in the blank: The ______ system regulates metabolism and growth.
endocrine
What is the function of the hippocampus?
To play a key role in memory formation.
True or False: The neurotransmitter dopamine is associated with pleasure and reward.
True
What is the primary role of the frontal lobe?
To control higher cognitive functions and voluntary motor activity.
Multiple Choice: Which gland produces thyroid hormones?
Thyroid gland.
Fill in the blank: The ______ is the largest part of the human brain.
cerebrum
What is the role of the sensory nervous system?
To carry sensory information from the body to the brain.
True or False: Hormones can have multiple effects on different organs.
True
What is the function of the occipital lobe?
To process visual information.
Multiple Choice: Which neurotransmitter is primarily involved in muscle contraction?
Acetylcholine.
Fill in the blank: The ______ is part of the brain that regulates emotions.
limbic system
What is the primary function of the thalamus?
To act as a relay station for sensory information.
True or False: The autonomic nervous system is under voluntary control.
False
What is the role of the hypothalamus in homeostasis?
To regulate temperature, hunger, and thirst.
Multiple Choice: Which hormone is responsible for regulating blood calcium levels?
Parathyroid hormone.
Fill in the blank: The ______ is responsible for the body’s circadian rhythms.
hypothalamus
What is the primary role of the amygdala?
To process emotions, especially fear.
True or False: The brainstem controls higher cognitive functions.
False
What is the function of the peripheral nervous system?
To connect the central nervous system to the limbs and organs.
Multiple Choice: Which part of the neuron is responsible for receiving signals?
Dendrites.
Fill in the blank: The ______ regulates the body’s response to stress.
adrenal glands
What is the role of the brainstem?
To control basic life functions such as breathing and heart rate.
True or False: The endocrine system uses the nervous system for communication.
False
What is the primary function of the frontal lobe?
To control reasoning, planning, and problem-solving.
Multiple Choice: Which hormone increases blood sugar levels?
Glucagon.
Fill in the blank: The ______ is involved in the regulation of memory and learning.
hippocampus
What is the role of the visual cortex?
To process visual information from the eyes.
