Body Systems
What is the main organ of the circulatory system?
The heart.
These body systems are responsible for absorbing nutrients and eliminating waste....
What are the digestive and excretory systems.
What is the function of muscles?
Muscles pull on bones to move the body.
What is a collection of different kinds of tissues that work together to preform a specialized job?
An organ.
What happens to a plant when hydrotropism occurs?
The roots bend toward water.
What is the main organ of the respiratory system?
The lungs.
How does the digestive system rely on the excretory system?
The excretory system gets rid of liquid waste that results from digestion.
Which systems allow for inhalation and exhalation?
Respiratory and muscular.
What is the next level of organization up from organ?
system
What is phototropism?
When a plant moves or grows toward light.
How do the digestive and circulatory systems work together?
The digestive system breaks down the food so that its nutrients can be absorbed by the circulatory system, where is is then transported to all of the cells in the body.
How does the circulatory system rely on the excretory system?
The excretory system gets rid of toxins and waste in the blood.
How does the skeletal system depend on the muscular system?
The muscular pull on the bones to hold them in position.
What is the definition of a "system'?
A system is when organs work together to contribute to a specialized job.
What does xylem do in a plant?
Xylem carries water and nutrients up from the roots to the rest of the plant.
What circulatory structures help to circulate nutrients throughout the body.
Artery, heart, vein, capillary
What systems work together to deliver nutrients to the body's cells?
The digestive and circulatory systems.
What is the simplest level of living things?
Cells
List the organization of cells from most complex unit to the simplest unit?
Organism, system, organ, tissue, cell
What does a stomata do?
Stomatas allow carbon dioxide into the plant, and oxygen and water out of the plant through transpiration.
Arteries do what for the body?
Carry oxygenated blood away from the heart.
What do veins do for the body?
Veins carry de-oxygenated blood back to the heart.
What structural level is the small intestine an example of?
What composes kidney tissue?
Cells.
What is geotropism?