The Kidney
How many kidneys do humans have?
Two
What are the electrical messages in the nervous system called?
Impulses
What are the chemical messengers of the endocrine system called?
Hormones
Name one thing your body does without conscious thought.
Breathing, digesting food, heart beat, maintains blood pressure.
How many fish are in the fishtank (not including shrimp)
4
How is waste filtered out by the kidney excreted?
In urine.
What is a reflex arc?
A fast way of sending a nerve impulse - it doesn't go through the brain. It goes to the spinal cord and straight back to the effector.
The gland that produces insulin and glucagon is the ...
Pancreas
Name a symptom you might experience if your kidneys were not functioning correctly.
* Back pain
* Fluid build-up in your legs/face
* Low urine output
What is a group of lions called?
Pride
What is the outer layer of the kidney called?
Renal capsule
For an electrical signal to pass from one nerve cell to another, it must cross the synapse (gap). How does it do this?
The nerve cell releases 'neurotransmitters' that float across the gap to the next nerve cell.
How are hormones transported around the body?
In the bloodstream.
What does insulin tell the body's cells to do?
To absorb glucose from the blood, so your body can get energy.
What is the name of the Australian mens soccer team?
Socceroos
Outline three functions of the kidney:
* filter blood to remove waste and toxins
* regulate salt levels
* regulate fluid levels
* control blood pressure
Which two body parts have the most pain/touch receptors in them and why?
Your fingertips - because they are the body part you use the most to test your environment.
Your forehead - because it needs to protect the brain.
How does the flight or fight response work? Name the gland and hormone involved.
It is a stress response in a dangerous situation. Your adrenal gland releases adrenaline, which gives you energy to either run away or fight the threat.
If you stop growing when you are a child, which gland is most likely to be the cause?
The pituitary gland
How many hearts does an octopus have?
Three
Name the filtering structures in the kidney and the substance they filter.
Nephrons and blood
Write the neural pathway for swatting a mozzie on the whiteboard. Include the terms: spinal cord, receptor, motor neuron, sensory neuron, effector, brain, interneuron.
Receptor -> Sensory neuron -> Spinal cord -> Interneuron -> Brain -> Motor neuron -> Effector
Name three hormones and the glands that produce them.
Oestrogen - ovaries
Testosterone - testes
Adrenaline - adrenal glands
Thyroxin - thyroid gland
Oxytocin - Pituitary gland
Growth hormone - Pituitary gland
Name three diseases of the nervous system and their symptoms.
Motor neurone disease, Parkinson's disease, Alzeimers, Multiple sclerosis (MS).
Symptoms: impaired movement and speech, tremors, confusion, memory loss.
Who is the Russian President?
Vladimir Putin