Fill in the blank
The ______ is responsible for understanding language and memory
Function of the cerebrospinal fluid
Protection, buoyancy, chemical stability and immune protection
What is the label of 7? (Google slides)
Myelin sheath
Star-shaped cells that is involved in creating a good environment for brain health and activity
Astrocytes
The three meninges
Dura mater, Arachnoid mater and Pia mater
The ______ is the fundamental unit of the nervous system
Function of motor nerves
Carry signals from the CNS to muscles and glands, initiating movement or secretions
What is the label 'E'? (Google slides)
Pons
Bind to receptors to depolarise and fire an action potential
Excitatory neurotransmitters
Three middle bones in the ear
malleus (hammer), incus (anvil) and stapes (stirrup)
This influx of ________ causes depolarisation, which leads to the rising phase of an action potential
Sodium ions (Na+)
Function of the somatic nervous system
Control voluntary actions and reflexes
What is the label '1'? (Google slides)
Tympanic membrane (Ear drum)
Rods
Three mechanoreceptors
The midbrain contains __________ involved in eye movements and visual processing.
Superior colliculi
Function of the blood brain barrier
Hint: 2 functions you can list!
- Highly selective permeable barrier that separates blood from the brain and extracellular fluid in the CNS
- Allows the passage of nutrients (glucose and amino acids) whilst blocking pathogens and large molecules
What is label '5'? (Google slides)
Nerve endings wrapped around muscle cells that maintain balance and posture
Three parts of the brainstem
Midbrain, pons and medulla oblongata
Taste buds are located at the ______ of the tongue
Papillae
Function of the thalamus
Acts as the body's relay system. Information about all the senses (except smell) must be processed in the thalamus before it reaches to the cerebral cortex
What is the label 'B'? (Google slides)
Hypothalamus
Ependymal cells
Three layers of the eye
Outer sclera, the choroid and the retina