Immune System
The immune system helps the body do what?
fight diseases and infections that are caused by germs
body's glands
What is responsible for receiving and responding to information?
Nervous system
digestion begins in the
mouth
A muscle in the rib cage that contracts
diaphragm
First line defense of the body to protect it from germs entering in.
skin
An organ that produces hormones is called
an endocrine gland
The two parts of the the nervous system
brain and spinal cord
Food travels down the _____ and into the stomach.
esophagus
Where the air meets blood
lungs
These, help find and kill germs before they cause illness.
White Blood Cells
The parathyroid gland secrets a hormone that controls what
calcium levels in the blood
The largest part of the human brain
cerebrum
What helps break down food in the stomach
acid
The trachea divides into what
two bronchial tubes
Lymph nodes filter out
harmful materials in lymph
The pituitary gland controls what?
the body's growth rate
The brain stem connects to the
spinal cord
What transports nutrients to all parts of the body
blood vessels
Tiny air sacs
alveoli
What do platelets do?
the blood to clot so wounds can heal
Each gland releases what?
hormones
What is the thick band of nerves that carry messages to and from the brain.
spinal cord
large intestine
The respiratory system allows the body to what?
take in oxygen and release carbon dioxide