Directions: Fill in the blanks.
Endocrine System
1. The endocrine system is made up of
2. An example of a hormone is
called the
3.
4. Hormone levels are controlled by
Nervous System
1. The
2. The nervous system and the
is the fight or flight hormone.
2. The
Body Systems
Circulatory System
1. The function of the circulatory system is
and nerves are part of the nervous system.
3. Red blood cells carry
4.
that make
which lowers blood sugar. It is made in a gland
clot the blood.
mechanisms.
is the major organ of the circulatory system. Its function is to
Respiratory System
1. The function of the respiratory system is
2.
is breathed in while
system are called the control systems.
White blood cells
is released as waste.