Exam (elaborations)
Human body systems and functions.
- Module
- Human Body Systems
- Institution
- Human Body Systems
Human body systems and functions.
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Human body systems and functionsdigestive system - correct answer-breaks down food in to substances that cells can absorb
circulatory - correct answer-delivery system of the body. Delivers nutrients and oxygen
throughout the body cells and picks up waste
respiratory - correct answer-brings oxygen into the body and removes carbon dioxide
excretory - correct answer-disposes of wastes and controls body fluid levels
immune - correct answer-fights infections and illness. Includes white blood cells
skeletal - correct answer-provides support and structure to the body. Blood cells are made in
bone marrow
muscular - correct answer-allow movement of bones and body parts by working with the
nervous and skeletal systems
nervous - correct answer-receives stimuli from inside and outside of the body and responds
to change. Maintains homeostasis
integumentary - correct answer-the skin protects and provides a barrier to keep out foreign
materials and to prevent the body from drying out
endocrine - correct answer-regulates body functions through chemical messengers called
hormones, controls things such as homeostasis, development, and growth
reproductive - correct answer-performs reproduction, controls male and female functions and
behaviors.
main organs of the digestive system - correct answer-Mouth: beginning of digestion
Stomach: acids and muscles break down food
Small intestines: absorbs nutrients from food
Large intestine: absorbs water
main organs of the circulatory system - correct answer-Heart: Muscle that pushes blood
through arteries
Arteries: carries blood away from heart.
Veins: Carry blood to heart that is low in oxygen and high in waste
main organs of the respiratory system - correct answer-Lungs: take in oxygen and release
carbon dioxide
Diaphragm: muscle that forces the lungs to expand and contract and bring air into and out of
the lungs.
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