Biology Quiz 3

The endocrine system is made up of glands that release hormones into the blood.

• True

• False

What are some major organs of the Endocrine system?

• Heart and blood vessels
• Mouth, Lungs, Bronchi, and Trachea
• Esophagus, Stomach, Small and large instestine
• Pineal gland, Thyroid gland, Adrenal gland, and pancreas

What is the function of the endocrine system?

• to filter and eliminate the waste from the blood

• to secrete hormones into the bloodstream to regulate body activities

• to provide structure and support for the body

• to defend the body against pathogens

When you eat a burger , your body produces insulin to control blood sugar . What type of feedback is that

• Positive feedback

• Negative Feedback

• None

• Both

Hormones travel through the blood and encounter many cells. How do they affect ONLY target cells?

• Target cells have receptors that match up with the hormone

• Target cells send out signals that attach to hormones and draw them to the cell

• Target cells have cell membranes with a different composition

• Magic!

What is endocrinology?

• Study of organs that receive hormones

• Study of organs that secrete (release) hormones

• A person who studies organs that receive hormones

• A person who studies organs that secrete hormones

Insulin is a hormone produced by the ___________________.

• liver

• bladder

• pancreas

• heart

Which of these three layers develop into the structure that insulates the developing embryo?

• Chorion

• amnion

• allantois

• trophoblast

By week 9 of the first trimester, what is the developing embryo now called?

• Baby

• infant

• fetus

• tiny alien

What is fertilization?

• a) The release of an egg from the ovary

• b) The joining of a sperm cell and an egg cell

• c) The development of the fetus in the uterus

• d) The process by which the fetus is delivered from the uterus