ACROSS
4. The system helps us get
oxygen from the air into our blood.
5. the central part of the circulatory system
that pumps blood through blood vessels
to the body
7. He wrote books and illustrated body
systems.
-people lead inactive lives
and seldom exercise,
I DOWN
1. The
system is the body's
control center and includes the brain and
spinal cord.
2. covers the ends of some bones to absorb
the energy from hard bumps
3. the central part of the nervous system
C
6_ is important in making
healthy muscles and keeping your brain
younger.
PLEASE can you help me, please