Year 9 Science
Body Systems (Respiratory, Circulatory, Digestive, Nervous and Endocrine)
Revision Checklist
Respiratory System
What is the function of the respiratory system?
Write the worded equation for aerobic cellular respiration
Draw a flow chart for how oxygen gets from your mouth to your cells
Explain the process of gas exchange
What is the function of the alveoli?
What is the function of the capillaries surrounding the alveoli?
Circulatory System
What is the function of the circulatory system?
How do the circulatory and respiratory systems work together?
What is the function of a vein?
What is the function of an artery?
What is the function of capillaries?
Draw a flowchart for the path of deoxygenated blood from the body to the heart
Draw a flowchart for the path of oxygenated blood from the lungs to the heart
Deoxygenated blood goes from the heart to the lungs via what?
Oxygenated blood goes from the lungs to the heart via what?
What is the function of red blood cells? White blood cells? Platelets?
What is the function of valves in the heart and veins for?
Digestive System
What are the main groups of nutrients we need to survive?
What is the function of the digestive system?
List, in order, the organs that food will pass through to be digested and detail the function of each
What is the function of the liver?
What is the function of the gall bladder?
What is the function of the pancreas?
What is the difference between mechanical and chemical digestion? Give 2 examples of each
What is the function of villi?
Where does most nutrient absorption take place?
Endocrine and Nervous System
What is homeostasis?
What are three body conditions that must be maintained through homeostasis?
Draw a flow chart of the stimulus response model and provide an example
What are receptors?
What is the control centre?
What are effectors?
What is negative feedback? Give an example
Name 5 endocrine glands
Define a hormone
Compare and contrast the endocrine and nervous systems
Draw and label a neuron
Describe the function of the three different types of neurons
Describe how neurons communicate with each other
What is a neurotransmitter?
Draw the reflex arc
Label the brain (cerebrum, cerebellum, brainstem, spinal cord, corpus callosum, hypothalamus, pituitary) and describe the function of each part
Describe how negative feedback can assist you in maintaining homeostasis
What is the function of insulin?
What is the function of glucagon?
Describe how normal blood sugar levels are maintained when i) blood sugar levels are too high and ii) when blood sugar levels are too low
What is the function of the pancreas?
Explain the need for some reactions to be reflex actions
Describe how damage to the nervous system can result in paralysis
Outline the overall function and key components of the endocrine system
Recall the main glands of the endocrine system and some of the hormones they produce
Revision Questions:
“Looking Back” at end of chapter 2:
Q1 , 2 3, 4, 5, 6 ,7, 8, 9, 11, 12, 13 15, 16, 17
Revision Questions: End of Chapter 3, page 149 of textbook pdf:
1, 2, 3, 4, 6, 7, 8, 11 (leave the terms “endocrine system” and “nervous system”)