What are three major functions of the skeletal system?
Structure and support, Attach to muscles for movement, Protect vital organs, Produce blood cells in marrow, Store minerals
What is the function of the nervous system?
to gather and interpret information
What is the major function of the digestive system?
To break down food particles into nutrients to be absorbed by the body
What is the major function of the circulatory system?
Transport blood that contains: oxygen, nutrients and waste; Distribute body heat
What is the major function of the respiratory system?
Take in oxygen and expel carbon dioxide and water vapor
What are three major functions of the muscular system?
Voluntary movement, Posture, Heartbeat, Produce body heat, Blood Flow, Digestion
What is the body's control center?
the brain
What substance breaks down food chemically in the mouth?
Saliva has enzymes that break down the molecules of food
What are the major structures of the circulatory system? (Name 4)
Heart; arteries; veins; capillaries, blood
Why does the body need oxygen?
to get energy from food
Name the three types of muscle tissue
Skeletal; Cardiac; Smooth
Which system Is made of the brain and the spinal cord?
the central nervous system?
What is the function of the small intestine?
To absorb nutrients and send them into the blood stream
What is transported in arteries?
Blood that is rich in oxygen coming away from the heart to be delivered to the cells of the body
What are the major organs of the respiratory system? (Name at least 3)
Trachea, bronchi, lungs, bronchioles, alveoli, diaphragm
How does the muscular system help out the digestive system?
Smooth muscle allows organs to contract to push food through the esophagus, stomach and intestines
Which system uses specialized structures called nerves to carry information?
the peripheral nervous system
What is the main function of the large intestine?
To absorb excess water from undigested food
What is the function of the heart?
to pump blood
How does the respiratory system work with the circulatory system?
Blood carries oxygen and carbon dioxide to and from the lungs
How does the skeletal system help out the circulatory system?
Bones produce blood cells and the rib cage protects the heart
What is the process by which an organism’s internal environment is kept stable in spite of changes in the external environment called?
homeostasis
What are the two types of digestion?
mechanical and chemical
How does the circulatory system work with the digestive system?
The blood carries nutrients absorbed from digested food
What is the process of inhaling and exhaling called?
breathing