The sex of a child is determined by the chromosome that comes from
When you touch something with your left hand, to what part of your brain is the information transmitted?
What system regulates involuntary muscles and internal organs?
autonomic nervous system
Why could damage to one portion of the occipital lobe affect a person's ability to differentiate an object from another, similar object?
some functions require the involvement of the cerebral cortex to interpret the sensation
What glands produce testosterone?
testes and ovaries
What is the cause of hypothyroidism?
people who produce too much thyroxin
In what part of the brain does complex learning and abstract thinking take place?
What do evolutionary psychologists believe about the limbic system?
controls behaviors that are necessary for the survival of humans and other mammals
What is the main function of the peripheral nervous system?
to send messages between the central nervous system and other parts of the body
Which gland regulates the body's metabolism?
Synapses are located between what structures?
axon terminals of one neuron and the dendrites of another
Which portion of the brain controls many vital, involuntary functions such as heart rate?
What are the basic elements of the nervous system?
cells called neurons
What is the main function of the corpus callosum?
connects the two hemispheres and transmits info from one side of the body to opposite hemisphere of the brain
The peripheral nervous system consists of
nerve cells that send messages between central nervous system and other parts of the body
Each neuron consists of
cell body, dendrite and axon
Hormones are the substances secreted into the bloodstream by glands in the
What are the two main parts of the central nervous system?
brain and spinal cord
The hindbrain is the portion of the brain that is involved in vital functions such as
heart rates, respiration, balance
What gland produces growth hormones?
What ethical problem is associated with the use of anabolic steroids by athletes?
they give athletes an unfair advantage over those who do not use them
Why is electrical stimulation of the brain not always a reliable research tool?
stimulation in the same place can produce different effects at different times
Messages in a neuron travel from which component to which?
dendrite to the cell body
Which chromosome pair determines the sex of a child?
Which part of the endocrine system is located in the middle of the brain?
Why are identical twins useful in studying the influence of heredity and environment?
they have 100% copied DNA
Broca's area and Wernicke's area are both key areas for what type of function?
communication and language abilities
What screens out ordinary noises?
reticular activating system
what is the basic function of the thalamus?
serves as a relay station for sensory stimulation
what is debated in the "nature-nurture" issue?
How are hormones similar to neurotransmitters?
both external signals
What are genes?
basic building block of heredity
the medulla, pons, and cerebellum are apart of
the purpose of the adrenal glands is to produce hormones that
help enable people to cope with stress