Resting heart rate will be decreased, because your heart and cardiovascular system are being worked out, therefore increasing the muscle tissue within the heart and thereby making it stronger, which makes it beat more powerfully and yeah. So Resting heart rate is the correct answer
5 down: thymus
12 down: spleen
12 across: suppressor T
11 across: macrophage
7 down: autoimmune
8 down: bone marrow
5 down: lymph nodes
If i did miss something, comment below ^_^
All of those are symptoms of heatstroke