9.2. Heart
A subsection of Biology, 0610, through 9. Transport in animals
Listing 10 of 161 questions
For Examiner's Use shows the bones and muscles of a human leg. seat ground A D pelvis heel X B C Muscles in the leg work antagonistically. State which muscle is antagonistic to muscle A. Explain what is meant by antagonistic. For Examiner's Use In , the person is sitting with the foot clear of the ground. If a sharp tap is given at X then the lower leg swings forwards. This is a reflex action. Describe the general features of any reflex action. If the spinal cord is cut through near the chest, this reflex action still takes place. Suggest where in the central nervous system this reflex response is coordinated. In an emergency, a person might have to run suddenly and very quickly. Name the hormone that the body releases in such an emergency. Describe three changes that occur in the body when this hormone is released in such an emergency. 1. 2. 3.
0610_w08_qp_2
THEORY
2008
Paper 2, Variant 0
View
Questions Discovered
161