Which of the following is the respiratory system not responsible for?
a-bringing oxygen into the body
b-getting rid of carbon dioxide
c-bringing the oxygen around the body
c
100
What blood vessels are thick walled and elastic?
a-arteries
b-viens
c-capillaries
a
100
Which of the following is not part of the digestive system?
a-esophagus
b-large intestine
c-kidneys
c
200
What organelle builds proteins essential for cell growth and reproducion
ribosomes
200
How many organ systems are there?
8
200
What other organ system does the respiratory system work with?
The circulatory system.
200
Do veins carry blood towards or away from the heart?
Towards
200
What kind of acid does the stomach contain?
Hydrochloric acid.
300
What is the difference between plant & animal cells?
Plant cells have a cell wall & chloroplasts & animal cells do not.
300
What is an organ system?
An organ system is organs working together to form organ systems.
300
What happens when the air enters the capillaries?
Oxygen is taken by the red blood cells to be taken around the body.
300
What are the 2 most common cause of heart disease?
The two most common causes of heart disease are hypertension (high bood pressure) & arteosclerosis.
300
What does the digestive system do?
it breaks down food into nutruent molecules the body's cells can absorb and use.
400
What are reasons for cell division?
Reasons for cell division are healing & tissue repair, growth, & reproduction of organisms.
400
What does the respiratory & circulatory systems do?
The respiratory system gets oxygen for the blood & te circulatory systems bring the blood all over the body.
400
What happens when you inhale?
When you inhale, the air goes in the nasal passage, to the trachea, to the bronchi, to the bronchioles, to the alveoli & to the capillaries.
400
What is a blood clot & what can it cause?
Blood clots are clumps of blood and if it breaks free it could cause bockage of a vessel which can result in a heart attack, & if it traves to the brain it can cause a stroke.
400
What is the process of ingestion?
It is when food is taken into the body and teeth mechanically breakdown food and it then goes down the esophagus.