Stimulus-Response Model
You see an apple you would like to eat, what would be the response?
You pick up the apple to eat it.
What is the most important system when it comes to making sure our body is in the state of homeostasis?
Nervous System
Name one thing your digestive system does?
Breaks down and absorb nutrients, absorbs water, eliminates waste, absorbs vitamins and minerals.
What nutrient does the blood mainly regulate?
Glucose
You are eating Nandos chicken (halal) and notice it is too spicy. What would be the receptor?
Your tongue/taste buds.
You hit your elbow on the desk, what would be the stimulus and response?
Stimulus - hitting your elbow on the desk
Response - Moving your other arm to cover your arm as it is in pain. (also making a face if it is hurts enough)
What system does the nervous system work with to achieve homeostasis?
Endocrine System
What is mechanical digestion? Does the substance change into something else?
When the food is physically broken down. No the substance stays the same.
What organ is involved in maintaining blood levels?
Pancreas
You are wearing a jacket but then the weather gets really hot. What would be the effector and response?
Effector - your arms/hands
Response - Taking off the jacket
You touch a hot surface with your hand. What would be the stimulus, the receptor and the response.
Stimulus - your skin getting hot.
Receptor - Your skin/touch receptors
Response - Your hand or arm jerks backward to move away from the hot surface
What is homeostasis?
Your body wanting to achieve balance in both the external and internal environment
Give an example of mechanical digestion in your mouth and stomach
Biting with your teeth, churning or the food moving around in your stomach.
What two hormones are mainly secreted in to maintain blood levels?
glucagon and insulin
You step on a piece of gum on your new $23000 Louis Vuitton X Nike Air Force 1 Sneakers, your are not happy with this happening. What would be the receptor, modulator and effector.
Receptor - your eyes
Modulator - Your brain
Response - Your face muscles
You see a big cockroach, it flies towards you. What would be the stimulus, receptor, modulator and effector.
Stimulus - Seeing the cockroach fly towards you
Receptor - Your eyes
Modulator your brain/hypothalamus
Effector - Your muscles/body - specifically legs.
What does exo and endo mean?
Outside and inside
Give an example of chemical digestion in your mouth and your stomach.
Your saliva breaking down food, your stomach acid breaking down food.
What happens when your glucose levels get too high?
Insulin causes glucose to move from the blood into the cells to cause glucose levels in the blood to fall.
You get your mid-term test back and see you got 100%. What would be the stimulus, receptor, effector and response?
Stimulus - Seeing the number 100% on your test paper.
Receptor - Your eyes
Effector - your face muscles
Response - happiness :) / a smile
You are playing a first person shooter on the computer with a mouse and keyboard and see an enemy. What would be the stimulus, receptor, modulator, effector, response.
Stimulus - seeing the enemy
Receptor - eyes
Modulator - brain (hypothalamus)
Effector - your muscles in your hands/fingers.
Response - you pressing the right mouse button with your finger to shoot the enemy.
The nervous system provides ______-acting, ______-lasting effects and the endocrine system triggers _____-acting, ______-lasting effects.
HINT: The first word for each is to do with speed, the second word for each is to do with length.
fast, short, slow, long.
What process do nutrients like glucose get transported by in your body? Give a definition of this process in which way nutrients move in terms of concentration.
Diffusion, the nutrients will move from high concentration to low concentration.
What happens when glucose levels get too low? Mention what 2 parts of your body release it.
Glucagon is released by the liver and muscles and is converted to glucose to cause glucose levels to rise in the blood to rise.
Stimulus - Hearing the Quran
Receptor - Your ears/hearing receptors
Modulator - Your brain(hypothalamus)
Effector - Your face muscles/body muscles (I might accept other answers)
Response - you feel calm, relaxed and at peace.