The pulmonary artery takes the blood to the alveoli.
C02:alveoli
All the human organs were known before Leonardo's time. The novelty was that he made sketches of them.
its nitrogen and is about 78% but the gas enter in our blood thourgh alveoli is oxygen.
Muscular, nervous, skeletal, digestive, and cardiovascular are all organ systems which are made of organs i.e. muscular system is made of all the organs known as muscels. Another example is the skeletal system. The parts that form it are called bones, and are an example of organs.
lungs
By the alveoli
An organ system is made up of a group of organs working together.
Alveoli
Alveoli
The cardiovascular and respiratory systems are two different systems in the body, though they are closely related. The cardiovascular system is made up of the heart, blood vessels, and blood. The respiratory system is made up of the trachea, bronchii, alveoli, and the lungs.
organisms
I believe they are. To the best of my knowledge, organs are made up of two (or more?) types of tissues. <3
organs are made up of tissues, and tissues are made up of cells
Lungs,trachea,and alveoli
The integumentary system is made up of the skin and its accessory organs.
A system made up of excretory organs is the urinary system.