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Unit 6

Human Body

QuestionAnswer
What is the correct order of the layers of organization in living things? Cells, tissue, organs, organ systems
In mulitcellular organisms, what are groups of cells that work together are called? tissues
What is the function of the circulatory (Cardiovascular) system? to transport material like oxygen, nutrients and waste all over the body.
What organ in the circulatory system provides the force (power) to transport the blood? heart
What two systems do the most when eating and moving food through the intestines? digestive, muscular
What is the main function of the respiratory system? absorb oxygen
true or false: Each part of a body system only serves one function for that system. False
true or false: Body systems interact with each other. True
true or false: Body Systems work together to help maintain homeostasis. true
What body systems do you need to know diagram labels? nervous (brain), digestive, respiratory, circulatory, excretory, skeletal, muscular, Immune, Endocrine, Reproductive
What is the main difference between aerobic and anaerobic respiration? Aerobic respiration needs oxygen and produces more ATP, while anaerobic does not need oxygen and makes less ATP
What system will help a boy fight a cold? immune system
What organ of the digestive system absorbs nutrients into the bloodstream? intestines
true or false: The heart is a muscle and an organ in the circulatory system. true
What system is in charge of continuing the species? Reproductive
Which of the following are waste made by your body? carbon dioxide, urine, feces all of them
What is the path food takes through your digestive system? esophagus, stomach, small intestine, large intestine
What is the function (job) of the endocrine system? to release chemical messages, (hormones) that control life process and metabolism, into your blood
What air the microscopic (very small) air sacs in the lungs where oxygen enters your blood? alveoli
Why do all body systems work together? to maintain homeostasis
What process is it when oxygen and sugars (glucose/carbohydrates) react to release energy (ATP)? cellular respiration
What one word describes the key organs of the skeletal system? bones
What are some key organs of the digestive system? stomach, small intestine, large intestine, liver, esophagus
What do the lungs take in when you breath? oxygen
The oxygen taken in by our lungs is carried to cells. What do the cells do with the oxygen? respiration
State the 3 parts of the cell theory. All living things are made of cells. Cells are the smallest unit of life (building block of life), Cells come from other cells.
true or false: All living things are made of MORE than one cell. false
What is the function of the skeletal system? support and protect the body
What is the roll of the excretory system? gets rid of waste
What is the roll of the digestive system? breaks down food
What is the roll of the muscular system? movement
What is the smallest part of an organism that can be classified as living? cell
What body system is the only system an individual does not need to live? reproductive
What is the flap of cartilage that covers the trachea while swallowing to keep food and drink from getting to your lungs? epiglottis
What system provides a barrier and helps regulate temperature between environment and the inside of your body? integumentary
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