Vocabulary
internal
inner part of something; inside
Nasal cavity consists of your _____ and _____
nose; mouth
What is the function of the oesophagus?
transport food and liquids from the mouth to the stomach
The 3 types of blood vessels are:
capillaries; veins; arteries
Name the function of the bladder.
store urine
external
outer part of something; outside
Carbondioxide
absorb nutrients into the bloodstream
small instestine
the tube that carries blood away from the heart
arteries
Name the function of the kidneys.
filter the blood
mechanical digestion
the physical breakdown of food into smaller pieces, like chewing and churning
Explain external respiration
breathing from the nasal cavity to the lungs and out
What are the two types of digestion?
mechanical and chemical
Products carried by blood are:
oxygen, carbondioxide and nutrients
What is excretion?
the process of removing wastes and excess water from the body.
internal respiration
•the exchange of gases (oxygen and carbon dioxide) between the blood and body cells within tissues
Gas exchange is the function of the _____
lungs
process by which your food is broken down into very small pieces, into molecules such as proteins, fats, that your cells can absorb and use
chemical digestion
Name the four chambers of the heart.
right and left atrium; left and right ventricle
What is not an organ of the excretory system?
a. bladder
b. ureters
c. lungs
d. kidneys
c. lungs
organs that stores urine
bladder
1. In which part of the respiratory system, gaseous exchange takes place?
(a) Alveoli
(b) Pharynx
(c) Larynx
(d) Trachea
A chemical the mouth makes which coats food.
heart failure
What is urine?
liquid waste product from the blood