Functions and Roles of Hormones

The video explains how hormones work in the body. It introduces the endocrine system, which consists of glands that secrete hormones into the bloodstream. Hormones interact with specific receptors on target cells, stimulating processes that regulate body functions like heartbeat, blood pressure, and temperature. The video also highlights the role of glucagon in managing blood sugar levels and concludes with the importance of hormones in maintaining health.

What is the primary role of the endocrine system in our body?

• To filter waste from the blood

• To produce red blood cells

• To secrete hormones into the bloodstream

• To digest food

How do hormones ensure that only target cells are affected?

• By attaching to specific receptors on target cells

• By being absorbed by all cells

• By attaching to any cell they encounter

• By changing their structure to fit any cell

Which of the following is NOT regulated by hormones?

• Heartbeat

• Blood pressure

• Body temperature

• Bone density

What happens when the blood sugar level drops in the body?

• The kidneys filter out excess sugar

• The liver releases stored glucose

• The pancreas secretes glucagon

• The pancreas secretes insulin

What is the function of glucagon in the body?

• To increase blood sugar levels

• To break down proteins

• To convert glucose into glycogen

• To decrease blood sugar levels