Question

Respiratory system and Circulatory system organs and functions
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Answer 1

Answer:

The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste product. The main structures of the human respiratory system are the nasal cavity, the trachea, and lungs.

The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart..

Answer 2

Answer:

Respiratory system

respiratory system includes nostrils, mouth, throat(pharynx), trachea (windpipe), bronchi and lungs..

Functions of respiratory system

• the respiratory system is responsible for oxygenating the blood
• it supply oxygen to the body's cells and tissues
• it cleans waste material from the blood.eg.carbon dioxide

Circulatory System

circulatory system includes heart, lungs(pulmonary), arteries and veins.

Functions of circulatory system

• it carries life-giving oxygen to all body parts
• it collects carbon dioxide for removal from the lungs
• it distributes energy rich sugars as well as vitamins and nutrients to the cells of the body
• it also removes wastes such as urea