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Human Anatomy and Physiology

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Martina Kuhic

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Cards in this guide (7)
Are blood cells produced in your bone marrow

Red blood cells are produced in bone marrow.

Moving and maintaining posture are functions of which system

Muscular.-- Jazz(;

What is the main organ of the excretory system 5th grade answer

The main organ in the excretory system is the kidney. The kidney is the main organ that controls the excretory systems for vertebrates. It is also part of the Urinary system which is part of the excretory system.

Does saliva contain chemicals that help kill intruders

Not that I know of, but it does contain chemicals that heal minor wounds such as small cuts and mouth pimples :)

What is the sticky substance that traps pathogens in the nose

Mucus.

Where does respiration usually begin

Respiration happens all the time, 24/7, in all living organisms.

Does the skeletal system regulate metabolism

what is the function of skeletal system

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