Page 17 - E-Science Prim.6 2024-2025 U1 Con.2,3_Handy
P. 17
Nervous
sytem sends
signals to
endocrine
system
Circulatory Body Endocrine
system Fights system
increases Danger secrete
the
hormones
heartbeats to respond
Respiratory
system
provides
more
oxygenated
blood
29
First Term
