Transportation and Respiration in Human Beings

Vocabulary flashcards covering human respiratory efficiency, blood composition, and the components of the transportation system based on the lecture notes.

Alveolar surface area

The estimated area of the lungs if spread out, which would cover about $80\,m^2$.

Oxygen diffusion timeline

The estimated time ($3\,\text{years}$) it would take for a molecule of oxygen to travel from the lungs to the toes if it moved only by diffusion.

Haemoglobin

The respiratory pigment in humans responsible for the efficient exchange and transport of oxygen.

Blood

A fluid connective tissue consisting of a fluid medium called plasma in which cells are suspended.

Plasma

The fluid medium of blood that transports food, carbon dioxide, and nitrogenous wastes in dissolved form.

Red blood corpuscles

The specific cells in the blood responsible for the carriage of oxygen.

Transportation system requirements

A pumping organ to push blood, a network of tubes to reach tissues, and a system to repair the network if it is damaged.