How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
muscular/ skeletal/ circulatory system
These muscles control breathing and digestion. a. smooth b. cardiac c. skeletal
These muscles never tire. a. smooth b. cardiac c. skeletal
these muscles move bones. a. smooth b. cardiac c. skeletal
these muscles are found only in the heart a. smooth b. cardiac c. skeletal
these muscles control voluntary movements. a. smooth b. cardiac c. skeletal
these muscles react slowly and tire slowly. a. smooth b. cardiac c. skeletal
these muscles react quickly and tire quickly. a. smooth b. cardiac c. skeletal
these muscles are striated. a. smooth b. cardiac c. skeletal
High blood pressure, or ______ is a common disorder that can be caused by clogged arteries.
arteries may be clogged by fatty deposits on their walls, causing the condition know as _______.
the blood vessels that move blood away from the heart are called ______.
the mircoscopic blood vessels that connect arteries and veins are called _____.
the blood vessels that carry blood toward the heart are called________.
blood pressure that measures the blood being pumped by the heart into the arteries is your ___ pressure.
What is blood made of?
plasma, platelets, red blood cells, white blood cells
blood carries___and___ to all cells in the human body.
oxygen and food
Blood carries_______and_____ away from cells in the human body.
waste and carbon dioxide
_______ blood cells fight infections such as bacteria and viruses within the body.
the liquid part of the blood that is made mostly of water is called_____.
the odd-shaped cell fragments that help clot blood are called_______.
Your body has about 206 of these structures______
A baby's skeleton is made of mostly this material.
these tissues attach bones to muscles.
these structures are found where bones come close together
these tissues connect bones to bones
pressure when the ventricles of the heart contract and push blood into arteries.
pressure when the ventricles relax and blood in the arteries is not being pushed.