The system that breaks down food for cells to use.....
Digestive system
Food spends between 2-6 hours in this organ
Small intestine
The four main jobs of the Skeletal System are....
Support, Protect, Move, Create blood cells
Your body's delivery system is
It delivers oxygen and nutients to every part of your body and picks up waste products on the return trip.
What organ selectively filters your blood and puts the waste products into your urine?
kidneys
This system contains the bladder
excretory system
which of the types of nutrients provide energy
carbohydrates, fats, protiens
Organ that absorbs water and nutrients from food and carries away waste
Intestines
Small intestine absorb nutrients from the digested food and large intestine (colon) socks up water and rids solid waste.
Three kinds of freely movable joints are
What are the small air sacks inside the lungs where gas exchange occurs called?
Alveoli
Bones are living organs. They are alive, growing and changing all the time. Three ways to make strong bones
1. regular exercise
2. calcium from food
3. vitamin D from food and sunshine
What is the function of villi?
Increases the surface area of the small intestine for absorption of food molecules to occur across.
A waste gas that is transported in veins from the body to the lungs via the heart
carbon dioxide
What is this muscular bag that contains acid ( digestive juices) and breaks food down into a liquid called chyme. It can hold about a litre of food for adults and a bit less for a child.
Stomach
Why do babies have more bones than adults?
A baby's bones grow and then fuse (stick) together before adulthood.
Differences between arteries and veins
( Why are arteries coloued red and the veins blue? )
Arteries carry oxygen rich blood from heart to the rest of your body, and veins carry blood less oxygen back to the lungs.
Veins contain valves, arteries do not.
Arteries have a thicker wall than veins
Urine travels from the kidneys to the bladder in this tube
Ureters
This organ of the circulatory system is composed of completely involuntary muscle tissue and without it we will die
Heart
what are the 5 main nutrients found in food
fats, minerals, vitamins, proteins, carbohydrates
How long is the average adult human digestive system in feet?
30 feet
These two systems work together to enable us to move
muscular and skeletal
(muscles and skeleton)
Body system that captures oxygen from the atmosphere...
Respiratory system
The two organs ___________ and _________ make juices that help food break down even further ( smaller pieces)in the small intestine, so they can be absorbed by the body.
liver and pancreas
List the 4 main organs that make up the Respiratory System
nose, throat ( larynx), trachea, lungs, bronchi & diaphragm
These bones not only support your body but also protect your spinal cord
Vertebrae
List the 5 main organs that make up the Digestive System.
mouth, esophagus, stomach,small intestine, large intestine
The body system that makes blood cells is
Skeletal System
What part in the blood stop bleeding ( flow of blood) by sticking together to a wound and helping form a scab.
Platelets
what is the function of the spleen?
recycles wornout red blood cells
Three ways to be heart smart and stay away from the problems including high blood pressure, heart attack and stroke
1.don't smoke
2.eat healthy
3.regular exercise