Cells to Systems
What is the smallest unit of life?
cells!
What is the organ at the center of the circulatory system?
The heart
Oxygen
What is at the beginning of your digestive system?
Your mouth!
What is the name of the muscles in your arm (two of them)?
Bicep and tricep
Name one organelle in cells.
nucleus, ribosomes, mitochodria, etc.
What vessels take blood away from the heart, and what vessels bring blood back?
Arteries take it away, veins bring it back.
What gas is released by the respiratory system?
Carbon dioxide
Where does the process of digestion start?
Your mouth!
What is the name of at least two bones in the arm?
Radius, ulna, humerus
What is one difference between plant and animal cells?
cell wall or chloroplasts
What organ does the heart pump blood to to get oxygen
lungs
What large muscle moves in the torso to allow the lungs to inflate?
The diaphragm.
True or false: the digestive tract is about 5 feet long in total.
False! It is usually over 20 feet long.
What advantage do hollow bones have over solid bones?
the are stronger
What does the nucleus of a cell do?
It contains the instructions for the cell (DNA)
What is the name of the smallest vessels in the lungs?
Alveoli
Why is the large intestine called the large intestine?
It is wider than the small intestine.
Daily double! What was your favorite activity and why?
NICE!!!
What is the name of the process plants use to make their own food?
Photosynthesis
Enters on the right, goes down to the bottom of the heart, goes out to the lungs, comes back on the right side of the heart, goes down, then out to the body.
What is the name of the process in which cells use oxygen and make carbon dioxide, and which is why we have to breathe?
Cellular respiration
What happens to food when it get into the small intestine?
It is moved along the digestive tract, and the juices are pulled out and go into the blood.
Name the order of organization for living creatures, from cells to organisms! (five steps)
Cells, tissue, organ, organ system, organism!