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where does blood get oxygen
lungs
how many chambers and valves are in the heart
4 each
What vessels carry blood away from the heart?
arteries
what separates the left and right ventricle
septum
largest artery in the body
aorta
What keeps blood flowing in one direction
valves
What vessels carry blood to the heart?
veins
What are blood vessels made of
smooth muscle cells
describe how blood circulates through the heart
comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs.
blood waste products
CO2
voluntary muscle
muscle that can be consciously controlled
involuntary muscle
A muscle that is not under conscious control.
largest muscle
gluteus maximus (glutes)
bad habits for heart attacks
smoking, bad diet, lack of exercise
3 key principles of diets
balance, moderation, variety
diets help with high cholesterol
simple and complex carbohydrates
Simple - sugars that enter the bloodstream rapidly and provide quick energy
Complex - starches and fibers that provide long lasting energy and make the digestive system faster
what do fats do for the body
store energy
job of protein
build and repair body tissue (muscle)
Minerals
Elements found in food that are used by the body
red blood cells
carry oxygen
blue blood cells
deoxygenated blood going to the heart to be reoxygenated
heart chambers
right atrium, right ventricle, left atrium, left ventricle
superior vena cava
transports blood from your upper body to the heart (right atrium)
inferior vena cava
carries blood from your lower body to right atrium
how many ports does the aorta have
3
ascending aeorta, descending aeorta, and aeortic arch
how many muscles are in the body
over 600
what are muscle cells made of
muscle fibers
what are the 3 types of muscle
skeletal, cardiac, smooth
skeletal muscle
A muscle that is attached to the bones of the skeleton and provides the force that moves the bones (voluntary)
smooth muscle
Involuntary muscle found inside many internal organs of the body
cardiac muscle
Involuntary muscle tissue found only in the heart.
4 purposes of muscle
provide stability, let your body move, circulate blood, allow you to eat
Frontalis
forehead muscle; raises eyebrows, wrinkles forehead
trapezius
upper back and neck muscle; extends head, moves shoulder
Deltoid
shoulder muscle
pectoralis major
chest muscle
triceps brachii
extends forearm
biceps brachii
flexes forearm
latissimus dorsi
a broad, flat muscle occupying most of the lower posterior thorax (upper middle back) that moves upper body and helps with breathing
abdominal muscles
abs
gluteus maximus
extends thigh and hip, butt, largest muscle in body
sartorius
longest muscle in the body, flexes thigh on hip
biceps femoris
extends thigh and flexes leg
rectus femoris
right below biceps femoris on thigh
Gastrocnemius
Calf muscle
achilles tendon
a large tendon that runs from the heel to the calf
Note 
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