Discover the Wonders of the Human Body

Which organ secretes an extraordinarily strong acid that leads to the breakdown of food?

What is the purpose of the circulatory system?

Which organ is responsible for filtering out toxins in the blood?

What is the purpose of the excretory system?

Which organ is responsible for producing sperm and the male sex hormone testosterone?

What is the function of the uterus?

Which organ stores bile for future use?

What is the function of the rectum?

Which blood cells contain hemoglobin, an iron-rich protein that carries oxygen?

What is the function of the skin in the excretory system?

Which system is responsible for maintaining homeostasis in the human body?

Which system is responsible for providing the body with a fresh supply of oxygen and removing carbon dioxide?

Which system serves as a passage way for both air and food at the back of the throat?

Which system carries oxygen to the cells and carbon dioxide away?

Which system is responsible for the internal entry and exit point for air?

Which system is responsible for removing waste products from the body?

Which system is responsible for regulating growth, metabolism, and reproduction?

Which system is responsible for protecting the body against pathogens and foreign substances?

Which system is responsible for providing support, protection, and movement?

Which system is responsible for breaking down food and absorbing nutrients?

Which organ is responsible for the exchange of gases with the blood?

What is the function of the pharynx?

Which organ is responsible for controlling growth, development, metabolism, and reproduction through the production and secretion of hormones?

What is the function of the immune (lymph) system?

Which organ in the endocrine system releases hormones like glucagon and insulin?

What is the main function of the skin?

Which organ is responsible for synthesizing hormones like thyroxine and calcitonin?

What is the function of white blood cells?

Where does the exchange of gases with the blood occur?

What is the largest organ in the body?

Which organ is responsible for preventing food from entering the trachea when you swallow?

Which organ is the major link between the nervous and endocrine systems?

Which organ synthesizes hormones like human growth hormone and prolactin?

Which organ releases hormones like thyroxine and calcitonin?

Which organ releases parathyroid hormone (PTH)?

Which organ releases hormones like androgens and epinephrine?

Which organ releases glucagon and insulin?

Which organ releases testosterone and inhibin?

Which organ releases ovarian hormones like estrogens and progesterone?

Which system works with the circulatory system to distribute fluids and nutrients throughout the body?

Which system is responsible for regulating growth, metabolism, and reproduction?

Which organ in the endocrine system releases hormones like glucagon and insulin?

Which system serves as a passage way for both air and food at the back of the throat?

Which organ stores bile for future use?

What is the main function of the skin?

Which system is responsible for removing waste products from the body?

What is the function of white blood cells?

What is the function of the rectum?

Which organ is responsible for the exchange of gases with the blood?

Which organ is responsible for synthesizing hormones like thyroxine and calcitonin?

Which organ secretes the hormone insulin that regulates blood sugar levels?

Which organ produces bile, which breaks down fats in foods?

Which organ removes water from the chyme and gets the waste ready for excretion?

Which organ is the major muscle of the circulatory system?

Which blood cells contain hemoglobin, an iron-rich protein that carries oxygen?

Which organ is responsible for filtering out urea, excess water, and other waste products from the blood?

Which organ produces secondary oocytes and hormones like progesterone and estrogen?

Which organ is the site of implantation of a fertilized egg and development of the fetus?

Which organ is responsible for transporting the secondary oocyte to the uterus and is normally the site of fertilization?

Which organ receives the penis during sex and serves as a passageway for birth?