circulatory system
What is the function of the circulatory system?
it moves materials throughout the body in the blood
What is the function of the respiratory system?
takes in oxygen from the air so that it can be delivered to all the cells in the body
Groups of tissues make up an _________
organ
How many muscles does it take to move one bone?
2
What is the function of the skeletal system?
It supports your body and gives it shape
What are the 3 main parts of the circulatory system?
heart
arteries
veins
How does oxygen enter your body?
Through your nose and mouth.
When your skin sweats, it is your body's way of doing what?
keeping you cool
What kind of muscle is the heart?
a cardiac muscle
How many bones does a person have?
206
What do arteries do?
Carry blood away from the heart to the rest of the body.
What are the 3 main parts of the respiratory system?
lungs
diaphragm
treachea
Groups of cells make up ___________
tissues
What kind of muscle is the stomach?
a smooth muscle
What bones in your body protect your heart and lungs?
ribs
What do veins do?
carry blood from the lungs back to the heart
After air enters your body, it flows through a hard tube in your throat called a ____________.
trachea
What is the largest organ in your body?
skin
What kind of muscles are attached to bones to help you move?
skeletal muscles
What is the purpose of cartilage?
it is a substance that acts as a cushion between bones
What organ pumps the blood throughout the body?
heart
Every cell in your body needs this to function properly.
Oxygen
Which 2 organs work together to get oxygen to all the cells in your body?
heart and lungs
Explain how the bones and muscles work together to move your arm.
The muscles contract (shorten) and relax (lengthen) while bones support your arm.
What attaches the muscles to your bones?
tendons