Investigating Circulation: Video Assessment

The video tutorial covers various biological processes and systems. It begins with the movement of materials in and out of cells, followed by the connection between cells and the environment. The composition of blood, particularly the liquid component, is discussed, along with the role of red blood cells in oxygen transport. The tutorial explains the function of cell fragments in blood clotting and describes how oxygen-depleted blood returns to the heart. It also covers the anatomy of the heart, including its lower chambers, and the period of contraction. The video concludes with a discussion on high blood pressure and the risk of stroke due to blood clots.

What is the process called that involves the movement of materials into and out of cells?

• Cellular Respiration

• Active Transport

• Diffusion

• Osmosis

What percentage of blood is made up of a liquid component?

• 45%

• 55%

• 65%

• 75%

What is the primary function of red blood cells?

• Producing hormones

• Clotting

• Fighting infections

• Carrying oxygen to body cells

What are the lower chambers of the heart known as?

• Atria

• Septum

• Ventricles

• Valves

What condition is characterized by a blood clot blocking blood flow to the brain?

• Heart Attack

• Stroke

• Aneurysm

• Hypertension