What is the smallest part of your body?
Why do cells need food?
to make energy, to repair themselves, and to produce new cells.
groups of the same kind of CELLS that work together.
a group of TISSUES that work together.
Examples of body systems are:
circulatory, respiratory and digestive sytems.
the process where cells use oxygen to get energy from breaking down food.
What are the main parts of the respiratory system?
mouth, nose, trachea, lungs and diaphram.
the movement of blood through out the body.
The 3 parts of the Circulatory System are:
heart. arteries, and veins.
a muscle that pumps blood throughout the body.
carries blood away from the heart.
returns blood to the heart.
carries food and oxygen to cells and picks up wastes from cells.
What would happen if cells in your body didn't receive oxygen?
they would die.
What are the 4 main chambers of the heart?
right atrium, right ventricle, left atrium and left ventricle.
The job of the right atrium and the right ventricle is:
to receive blood from the body.
The job of the left atrium and the left ventricle is:
to pump blood to the rest of the body.
What are 2 types of exercise to keep the respiratory system & the circulatory system healthy?
aerobic and anaerobic exercises.
running, jumping rope, playing soccer.
lifting weights, sit ups, and push ups.
helps your body get nutrients and energy from the food you eat.
Where does digestion start?
in the mouth.
What helps with the digestive process?
teeth and saliva.
helps to break down food.
mixes with food to make it soft & wet which makes it easier to swallow.
What happens in the small intestine?
food that is broken down and released into the blood and carried to all parts of the body.
What happens in the large intestine?
water is removed from digested food and waste is removed from the body.
3 Things that you can do to take care of your digestive system are:
eat the right foods, keep teeth healthy, exercise everyday.
A Safety rule for the respiratory System is to:
wear a mask when working around pollution
A Safety rule for the circulatory system is to:
avoid eating foods with too much fat.
A Safety rule for the digestive system is to:
eat slowly and don't over eat.