B5 Revision Questions For Chapter Flashcards
Name three substances that humans have to exchange with their environment
Answer p67/8
How does having a large surface area to volume ratio help organisms exchange materials?
P 67/8
Give an example of a specialised exchange surface found in a human and explain how it is adapted to maximise the exchange substances.
P67/8
Name the blood vessel that transports blood from the heart to the rest of the body.
P69-71
Describe the role of capillaries
P69-71
Which type of blood vessel carries blood at high pressure?
P 69-71
Name ten substances that are found in blood plasma.
Pg 69-71
Draw a diagram of a typical neurone and label all the parts.
P 72-73
What is the purpose of a reflex action?
P72-73
Produce a sketch of the brain and label the cerebrum, cerebellum and brain stem.
Hp72-73
Give three reasons why it may be tricky to treat problems in the brain and other parts of the nervous system.
P72-73
What is a hormone?
P74-77
Describe how a negative feedback system works in the body
P74-77
Draw a timeline of the 28 day menstrual cycle. Label the four stages of the cycle and label when the egg is released.
P74-77
Describe how one non-hormonal method of contraception works and list its pros and cons.
P74-77
Briefly describe how IVF is carried out
P74-77
What is homeostasis? Why is it important?
P78-82
What’s an antagonistic effector?
P78-82
Explain how body temperature is reduced when you are too hot.
P78-82
Describe an experiment you could do to model temperature control in the body.
P78-82
Briefly describe how the kidneys produce urine?
P78-82
Name the hormone that controls the concentration of urine.
P78-82
What effect does the hormone glucagon have on blood glucagon have on blood glucose level?
P78-82
Explain how type 1 type 2 diabetes can be treated
P78-82
