What 3 parts in the body make up the nervous system?
Brain, spinal cord and nerves
The average person takes approximately how many breathes per day?
23,000
What is the main job of the circulatory system?
To send nutrients and oxygen through blood, to the whole body
_______ is the number of bones in the human body
206
Approximately how many muscles are there in our body?
600
What is the function of the nervous system?
It controls everything we do. Helps all the parts of the body to communicate with each other.
Another name for the windpipe is?
Trachea
List the two main parts of the circulatory system
Heart and blood vessels
_____________ is not a function of the skeleton
a) Storage
b) Movement
c) Protection
d) Breaking down of food
d) Breaking down of food
This tough band of connective tissue connects muscles to bones
Tendons
List the 5 places where sensory nerves are found
Major airways that go into the lungs
Bronchus
The major blood vessel of the heart, that carries blood away from the heart
Aorta
Which of these statement is NOT true?
a) Ribs protects the brain
b) Ribs protect the heart
c) Skull protects the brain
d) Vertebral column protects the spinal cord
a) Ribs protects the brain
The muscles that line the digestive system are _____________ muscles.
(Give one example of an organ its found in for an extra 50 pts)
Smooth muscles (ex.stomach, esophagus)
Which part of our brain controls balance, coordination and movement
Cerebellum
What happens at the alveoli, explain
Where gas exchange happens. Oxygen for carbon dioxide is exchanged here. Blood capillaries surround the sacs
________ are where oxygen and nutrients are exchanged for ________ and ________
Capillaries, CO2 and waste
What is the red circle line pointing to?
Sternum
Which type of muscle is voluntary?
Skeletal muscle
What happens in your nervous system when you step on something sharp?
Nerves in your foot send a pain signal up your spinal cord to your brain. When your brain recognizes this, it sends another signal down your spinal cord to the nerves in your leg and foot muscles, telling them to pull away from the object
What happens to our diaphragm when we inhale?
When you breathe in, your diaphragm moves downward. This increases the space in your chest cavity, and your lungs expand. Air moves into lungs
Point to the pulmonary veins on the diagram
What is the function of bone marrow? (there are two)
Produces red blood cells that carry oxygen, white blood cells that prevent infection