The Respiratory System
What is the function of the respiratory system?
The respiratory system is responsible for bringing oxygen into the body and expelling carbon dioxide.
What is the function of the circulatory system?
The circulatory system controls the movement of blood through the human body.
What is the function of the digestive system?
The digestive system controls the absorption and digestion of food.
What is the function of the musculoskeletal system?
It is responsible for the stability, movement, and support of the human body.
What is the function of the nervous system?
The nervous system is responsible for sending messages between the brain and the body.
What do the lungs do?
They take in air (oxygen) and expel stale air (carbon dioxide).
What do arteries do?
Take blood to the rest of the body.
Where does digestion start?
In the mouth.
How many bones and muscles does the human body have?
We have 206 bones and over 700 muscles.
1. Motor Nerve
2. Sensory Nerve
What is the diaphragm?
A muscle that allows your lungs to breathe in and out.
What do veins do?
Take blood back into the right side of your heart to receive oxygen.
Name the three jobs of the stomach.
1. Store food
2. Turns food into a liquidy mixture.
3. Slowly empties food into the small intestine.
Name the three types of muscles in the musculoskeletal system.
1. Smooth muscle
2. Cardiac muscle
3. Skeletal muscle
What does the spinal cord do?
It is responsible for sending sensory and motor nerve impulses to the brain.
What is the trachea?
Brings air into each of the two lungs.
What are capillaries?
Connect arteries to veins.
What do the large intestine and colon do?
They absorb the last of the minerals and water from the food.
What are tendons?
Tendons attach bones to muscles and allow us to move.
What is the cerebellum?
The part of the brain the controls balancing, movement, and coordination.
What is asthma?
A condition that makes it difficult to breathe because of inflammation in the airways.
What is a stroke?
This happens when a blood vessel that carries nutrients to the brain bursts or becomes blocked.
What are the three organs that help the small intestine and what do they do?
The pancreas gives the stomach juices to help break down food.
The liver and gallbladder work together to make and store bile which is used to break down fats.
Name one musculoskeletal disease and explain what it is.
Arthritis: A disease that causes swelling and pain in a person's joints.
Osteoporosis: Caused when the body loses too much bone or makes too little bone.
Name one of the two diseases that affect the nervous system and explain it.
1. Alzheimer's Disease: A brain disorder that destroys memory and thinking ability.
2. Cerebral Palsy: A group of movement disorders that affect movement, muscles, and posture and is caused by brain damage early on in life or before birth.