The peripheral nervous system is made up of:
the encephalon and the spinal cord.
nerves
The ___________________ send signals from the receptors (sense organs) to the brain.
MOTOR NERVES.
SENSORY NERVES.
The _______________________ send impulses from the brain to the effectors (muscles and bones)
MOTOR NERVES
SENSORY NERVES
What are nerves made from?
They are made from neurons.
What is a neuron?
It is a star-shaped cell that transmits impulses.
What attaches the muscles to the bones?
Joints
Tendons
The Skeleton
What´s this?
The uterus.
What are the functions of bones?
Protect the organs, give us structure and allow us to move.
What´s this?
The urethra.
What are these?
The testicles
They are pieces of hard tissue
BONES
MUSCLES
TENDONS
What´s the organ and function of touch?
The skin, detect temperature, pain and pressure.
What´s this?
The vagina
What´s this?
Te choclea.
What do we call the places where two or more bones connect?
Joints
Skeleton
Tendons
What´s this?
The fallopian tubes.
What are the changes girls experience in puberty?
Breasts grow, hips widen and we get the period.
Breasts grow, hair grows in the chest and we get the period.
What are the functions of muscles?
They move the bones and some organs: the heart( pumping blood), the diaphragm (breathing) and the intestines (moving the food and waste substances)
What protects the spinal cord?
The ribs and sternum.
The backbone.
The skull.
What´s the organ, function and nerve of sight?
The eye, detect light and the olfactory nerve.
What´s this?
The eardrum
The brain stem is a part of the central system that...
transports information.
controls involuntary actions like breathing and heartbeat.
controls voluntary actions like dancng and jumping
What´s this?
The ear canal.
What are the changes boys experience in puberty?
The penis and testicles grow, hair grows in the chest.
The penis and testicles grow, hair grows in the pubic area.
The penis and testicles grow, and the hips widen.
The cerebellum is a part of the central system that...
controls voluntary actions like dancng and jumping
controls involuntary actions like breathing and heartbeat.
transports information.