Nerve impulses and hormones coordinate body functions.
(a)[4]
Compare these two forms of coordination.
(b)[6]
A girl spots a vehicle coming towards her at speed while she is crossing the road. This causes nerve impulses and the release of adrenaline in her body.
Describe how the nerve impulses and adrenaline help her react to this situation.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “both initiate responses” …