Tissues are____________.
Groups of cells doing the same work
True or False: your heart is an organ
True
The heart is made up of how many separate parts?
The hear is made up of two separate parts
True or False: All of your body systems have to work together to keep you healthy
True
True or False: we have eleven types of tissues.
False. We have four types of tissues; epithelial, nervous, muscle, and connective
Your heart is about the size and shape of your_______ .
Fist
The lower chambers of the heart are called___________.
ventricles
When organs work together, they are called__________ .
systems
Groups of tissues that work together are called__________ .
organs.
The heart's job is to______________ .
pump blood throughout your body
involuntary
The system that takes blood to all parts of your body is called the _____________ system
circulatory
How many systems are in the human body?
Eleven
The blood's job is to ___________
move the things your body needs.
The muscular wall called the ________ divides the two sides of the heart.
septum
On average, how many times a minute does the heart beat in an adult?
70 beats per minute
A building's foundation, walls, floors, and roof are most like which body system?
The skeletal system.
Name the three parts of your circulatory system.
Heart, blood, and blood vessels
The ______________ blank is a covering that keeps your heart from rubbing against your lungs and chest wall.
pericardium
The main artery is called the _________ .
aorta