ii. ventricular diastole
iii. general diastole
iv. ventricular systole
d) The valve between the left ventricle and the left atrium of the heart is called the
i. mitral valve
ii. tricuspid valve
iii. aortic semi-lunar valve
iv. pulmonary semi-lunar valve
e) The accompanying graph indicates that changes in adrenalin secretion and the
pulse rate, before, during (0 to 10 minutes) and after a cigarette was smoked.
Use the given graph to indicate which one of the following deduction is a valid
interpretation of the graph.
i. Smoking directly causes an increase in the basal metabolic rate.
ii. The cardiac muscles relax during smoking.
iii. Smoking directly stimulates the pulse rate.
iv. There is a no relationship between adrenalin secretion and pulse rate
Explain WHY there is a relationships between smoking and adrenalin secretion
- Study the accompanying diagram of the ventral view of the external structure of the
heart and answer the questions that follow.
Chapter 8. Transport systems in animals 251
