Heart

Question 1

Atriums are

Answer 1

in the upper part of the heart

Question 2

Ventricles

Answer 2

Lower part of the heart

Question 3

Characteristics and purpose of arteries

Answer 3

Transports blood away from the heart
Made of strong muscular and elastic walls because blood pumped at high pressure wider lumen for blood flow and have valves

Question 4

Characteristics and purpose of capilleries

Answer 4

thin and small lumen to diffuse waste products and neutrients , permeable
, lower blood pressure for time for neutrients to diffuse

Question 5

characteristics and purpose of veins

Answer 5

biggest lumen- low pressure , thinner walls less elastic and muscle , they have valves unlike the others , brings blood to the heart

Question 6

blood path in the heart

Answer 6

. Blood enters the heart By pulmanory vein (left - Oxygenated ) and Vena Cava ( Right - deoxygenated) Into their Atriums
.The 2 atria contract , pushing blood into the ventricles , then they contract to push blood to the Pulmanory artery (right , to lungs) and the Aorta (to rest of the body)