Science 9 Review quiz

Where does gas exchange occur in the respiratory system of a human?

These are components of blood that are responsible in blood clotting

They carry deoxygenated blood from the body back to the heart

A protein found in the RBC that carries oxygen to the body's tissue.

A rhythmic bulging of arteries that are situated in the wrist

Powerhouse of the cell

It plays role to regulate genes

It refers to the middle region of the chromosome

One of two strands of a replicated chromosome

The membrane that envelopes the lobe of the lungs.