Name: Diego Barrio
Stimulus and responses.
A stimulus is anything you see, touch, taste, smell or hearing.
They can be:
There are two types of different receptors:
A response is the body´s answer to a stimulus.
They can be muscular or glandular.
The eye is the organ of sight. Is made up of the
eyeball, and protected by the eyebrows,
eyelids and eyelashes.
The nose is the organ of smell. The
receptors of smell are in the pituitary
gland inside the nostrils
The ear is the organ of hearing. It has three parts:
The three parts of the ear.
OUTER EAR: ear and ear canal
MIDDLE EAR: eardrum and the small bones
INNER EAR: cochlea and the auditory nerve
The skin is the organ of touch. It is made up of three layers.
Layers of skin
The organ of taste is the tongue.
The receptors of taste are in the taste buds.
The nervous system
The nervous system is made up of nerve centres and nerves.
The central nervous system.
The brain : the cerebrum, cerebellum and brain
The peripheral nervous system is made up of:
Neurons are especial type of cells that are in the central and
peripheral nervous system.
The skeleton is made up of all the bones in the body:
the bones of the skleleton
Head bones: facial and skull bones
Trunk bones: spine and ribs cage
Limb bones: upper limb and lower limb bones
The musculature is made up by all the muscles in the body:
Head muscles: masseter, buccinator and orbicular.
Trunk muscles: sternocleidomastoid, intercostal, pectoral and
abdominal and trapezius.
Limb muscles: deltoid, biceps, triceps, quadriceps, tendon,
tibial, calf muscles and gluteus.