NASM CH3

cardiovascular and respiratory system

heart, blood, and blood vessels

hollow muscular organ that pumps a circulation of blood through the body by means of rhythmic contraction

space in chest between the lungs that contains all the internal organs of the chest, except the lungs

• superior chamber of the heart that receives blood from the veins and forces it into the ventricles.
• Right atrium: deoxygenated blood returning to the heart from the entire body.
• Left atrium: blood from the lungs

• the inferior chamber of the heart that receives blood from its corresponding atrium and forces blood into arteries.
• Left: receives from left artrium and pumps to entire body.
• Right: blood from right atrium pumps to the lungs.

• fluid that circulates in the heart, arteries, capillaries and veins, which carries nutrients and oxygen to all parts of the body and rids the body of waste products. (8% of body weight)
• -TRANSPORTATION
• -REGULATION
• -PROTECTION

network of hollow tubes that circulates blood throughout the body

vessels that carry blood away from the heart

vessels that carry blood from capillaries toward heart

small terminal branches of an artery, which end in cappilaries

the smallest blood vessels, which connect venules with arterioles

very small veins that connect capillaries to the larger veins.

a system of organs (lungs and respiratory passageways) that collects oxygen from the external environment a and transports it to the bloodstream

move air into body

move air out of the body

requires oxygen

does ont require oxygen

biology of energy transormations and exchanges within the body, and between it and the environment.

cellular structure that supplies energy for many biochemical cellular proccesses by undergoing enzymatic hydrolysis.