Respiration

A system of organs, functioning in the process of gas exchange between the body and the environment, consisting especially of the nose, nasal passages, nasopharynx, larynx, trachea, bronchi, and lungs.

• Respiration

• Respiratory system

• Cartilage

• Aerobic respiration

Nose --> ? --> Bronchus --> Bronchiole --> Alveolus

A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.

• Diffusion

• Capillaries

• Cartilage

• Air sac

Airways in the lungs that lead from the bronchi to the alveoli.

Microscopic vessel through which exchanges take place between the blood and cells of the body

• Bronchus

• Capillaries

• Cartilage

• Red blood cells

Movement of molecules from an area of higher concentration to an area of lower concentration.

A comparison of two different things that are similar in some way

To draw together, to reduce in size

the form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hunger.

• Red blood cells

• Protein

• Energy

• Glucose

Another term of "
erythrocytes" is...