Respiratory System
Lungs
What are the 3 main types of the circulatory system?
Heart, blood, blood vessels
What are the 2 main parts of the nervous system?
Central nervous system and peripheral nervous system
What is the first stage of the digestive system?
Chewing (or the mouth)
How many bones does an adult human have?
206
What does the respiratory system cause you to inhale?
Oxygen
What are the 3 types of blood vessels?
Veins, arteries, capillaries
What are the billions of nerve cells called?
Neurons
What is the length of a human digestive system?
20-30 feet
What are the 3 types of muscles?
Skeletal, smooth, cardiac
What does the respiratory system cause you to exhale?
Carbon dioxide (CO2)
What is the main organ of the circulatory system?
Heart
What are the 2 organs in the central nervous system?
Brain and spinal cord
What 3 things does food provide our bodies with?
Energy, vitamins, minerals
What are the longest and smallest bones (in that order) in the human body?
Femur (thigh) and Stapes (middle ear)
What are tiny mucous covered hairs that filter particles in your respiratory system?
Cilia
What is the difference between veins and arteries?
Veins carry blood TO the heart. Arteries carry blood AWAY from the heart.
What are the 2 types of nerves in the peripheral nervous system?
How long does food stay in your stomach?
About 4 hours
What connects muscles to bones?
Tendons
What 2 actions does your body do to get foreign particles out of your respiratory system?
Cough or sneeze
How many miles of blood vessels does an adult human have?
Over 60,000 miles
What is the main pathway for information between the brain and peripheral nervous system?
Spinal cord
What blocks off your windpipe so your food doesn’t go down the wrong way?
Epiglottis
What are the 6 major functions of the skeletal system?
Produce blood cells, support, movement, protection, storage of ions, endocrine regulation