Digestive System
What is the tube-like muscle called that squeezes food down into the stomach?
the esophagus
what makes blood red?
Iron
what are the air sacs in the lungs called?
alveoli
Xylem tubes carry materials up and down plant structures.
True Or False
False
What are the tiny linings inside the intestines called?
Villi
What part of the circulatory system carries oxygen to cells? veins, red blood cells, white blood cells, or capillaries
red blood cells
what does the lungs use to breathe in and breathe out?
the Diaphragm
what are the products of photosynthesis?
Oxygen/sap
List the path that food takes in the digestive system (include 5 main parts)
mouth, esophagus, stomach, small intestine, and large intestine
Which blood vessels transport blood back to the heart?
Veins
What gas do red blood cells release into the lung sacs for us to breath out?
carbon dioxide
This type of leaf is feather shaped, one main vein running length of leaf, and smaller veins branching off larger veins.
Pinnate Leafs
What is the largest part of the large intestine called?
the colon
Which side of the heart pumps oxygen-rich blood to the body?
the left side
What is transpiration?
transpiration is the process of water moving up the plant, with excess water exiting the plant through tiny hole on the leaves called stomata
How do nutrients get from your digestive system to your cells?
The nutrients pass through the capillaries in the small intestine, and are carried to the cells in the bloodstream.
How many chambers are in the heart, AND what are the names of the 2 types of chambers?
4 chambers ventricle and atrium
What is the main function of the respiratory system?
gas exchange- to bring oxygen into the body, and carbon dioxide out
What is the material that plants make? where is it stored? and how does it move within a plant?
Sap (sugar), stored in the plants leaves, phloem vessels move up and down the plant; delivering it to the cells.