Lecture exam 1 Flashcards
Function of the integumentary system
protects the body from the external environment, produces vitamin D, Retains water, regulates body temp
What is important for Ca2+ absorption in the small intestine
Vitamin D
what helps to cool the body and how does your body keep your skin cool
Sweating helps to cool the body and dilating blood vessels helps keep skin cool
what helps keep warm in relation to blood vessels
constriction helps keep warm
What are the functions of the skeletal systems
supports the body, protects internal organs, provides leverage for movement, produces blood cells, stores calcium salts
What produces all blood cells
Red bone marrow produces all blood cells - white blood cells, red blood cells, platelets
Function of the muscular system
produces movement, controls body openings, generates heat
What organ system protects your internal organs
The muscular system
How do birds and mammals warm up
Shiver
What is the function of the nervous system
Provides body functions, Provides sensation, movement, automatic functions and higher mental functions via nerve impulses
What does your body need in order to move (nervous system)
Electrical signals
What is the function of the endocrine system
Regulates body functions, Regulates glands, and other tissues through hormones
what are hormones
chemical messengers
What is the function of the cardiovascular system
Pumps and delivers oxygen poor blood to the lungs and oxygen-rich blood to the tissues, removes wastes from tissues, Transports cells, nutrients, and other substances
What does an increase in H+ indicate
It means that it is a decrease in pH which means it is more acidic.
