what NUMBER of people have trouble hearing in the US?
40 Million
How many main organs are in the digestive system?
5
What percent of Men experience Reproductive problems at some point in their lives?
20%
Our nails are made from the same substance as our what?
Hair
arteries, capillaries, and blood cells are all types of what?
blood vessels
what are the three main purposes of the endocrine system?
Growth and development, metabolism, and reproduction
What can damage your ears?
Loud noises
What are the three main parts of the Cardiovascular system?
Heart, blood vessels, blood
what do ovaries make?
eggs and hormones
what are two functions of the teeth?
To break down food and form the structure of your mouth.
What is the process that enables body cells to burn food and release energy?
Respiration
The endocrine system is sometimes at fault for what?
Osteoperosis
What part of the ear is used for hearing?
Inner
Asthma, pneumonia, emphysema, lung cancer are apart of what system?
Respiratory
where are a women's two ovaries located?
On either side of the uterus