The Movement of Gas and Air into and Out of the Lungs

question 31

Multiple Choice

The movement of gas and air into and out of the lungs is called:

• A)perfusion.
• B)ventilation.
• C)respiration.
• D)diffusion.

---

Definitions:

Gonadal Tissues

The tissues that compose the gonads, which are the primary reproductive organs (ovaries in females and testes in males), responsible for producing gametes and hormones.

Early Blood Cells

Precursors to mature blood cells, formed in the bone marrow from hematopoietic stem cells.

Polar Bodies

Polar bodies are small cells that are formed as byproducts during the oocyte (egg cell) maturation process, involved in the division of cytoplasm.

Genetic Material

The molecules (DNA and RNA) within cells that carry genetic information necessary for replication, development, and functioning.