B10 CS The human nervous system
Quiz by Horia
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- Q1
What does homeostasis mean?
Keeping internal conditions in the body the same
Keeping external conditions of the body the same
30s - Q2
What things are regulated by homeostasis?
movement, brain activity
body temperature, control of blood glucose levels, water levels
30s - Q3
Homeostasis consists of sensing changes and responding to them using the nervous and hormonal systems.
truefalseTrue or False30s - Q4
What is a stimulus?
A change in the environment
A respond to the environment
30s - Q5
What is an effector?
a cell which detects changes in the internal/external environment
a muscle/gland which brings about a response to the stimulus it has received
a muscle/gland which brings about a response to the stimulus it has received
30s - Q6
What is a receptor?
a cell which detects changes in the internal/external environment
a muscle/gland which brings about a response to the stimulus it has received
30s - Q7
what are the receptors in our sense organs sensitive to?
receptors in eyes to light, receptors in ears to sound, receptors in tongue to chemicals in food, receptors in nose to chemicals in the air, receptors in the skin to pressure, touch and temperature.
receptors in eyes to sound, receptors in ears to light, receptors in tongue to chemicals in food, receptors in nose to chemicals in the air, receptors in the skin to pressure, touch and temperature.
30s - Q8
how do electrical impulses travel from one place of the body to another?
along neurones which make up nerves
along nerves which make up neurones
30s - Q9
what is the peripheral nervous system?
the nerves which branch out of the spinal cord
the nerves which branch out of the spinal cord
the brain and the spinal cord
30s - Q10
what is the central nervous system?
the nerves which branch out of the spinal cord
the brain and the spinal cord
30s - Q11
which neurone takes electrical impulses from the CNS to the effector?
motor neurone
relay neurone
sensory neurone
motor neurone
30s - Q12
which neurone takes electrical impulses from the receptor to the CNS?
motor neurone
sensory neurone
relay neurone
30s - Q13
which neurone takes electrical impulses around inside the CNS?
relay neurone
sensory neurone
motor neurone
relay neurone
30s - Q14
what do effectors do?
glands contract / muscles secrete hormones to bring about a response
muscles contract / glands secrete hormones to bring about a response
30s - Q15
what are some adaptations of neurones?
they have long axons along which electrical impulses travel, myelinated sheath to insulate and increase the speed of which electrical impulses travel, branched dendrites to make connections with other neurones
long and thin
30s
