choose the correct answer.
TRANSPORTATION-The circulatory system
Attachments:
Answers
Answered by
3
Answer:
In human beings, the transport of materials such as oxygen, carbon dioxide, food and excretory product is a function of the circulatory system.
The circulatory system consists of the heart, blood and blood vessels.
Heart is the vital organ of human beings and it is the beat of the heart that makes us alive.
The size of our heart is approximately the size of our fist.
The heart is a pear shaped structure, triangle in outline, wider at the anterior end and narrower at the posterior end.
The heart is covered by pericardial membrane which is filled with pericardial fluid which protects the heart from shocks.
Similar questions