cardiovascular

Question 1

What factors affect diffusion? Can we rely solely on diffusion for farther distances or for large organisms?

Answer 1

proxiimity of locations

t (time it takes for diffusion) is proportional to the d(distance)^2

Question 2

What are the components of both circulatory systems (open and closed)?

Answer 2

a muscular pump

circulating fluid

blood vessels

Question 3

What makes the open circulatory system open

Answer 3

no distinction between circulating fluid and extracellular fluid (this is called hemolymph)

Question 4

What is the role of blood vessels?

Answer 4

transport, regulation of blood flow, secreting various chemicals, controlling blood pressure

Question 5

What are the different types of arteries? How do they differ? What are their functions?

Answer 5

differ by layers of tissues they have, diameter

elastic arteries (conducting) - ex. aorta or pulmonary trunk. Elastic arteries provide major force of blood movement throughout the body and must be able to withstand a lot of pressure bc of proximity to the heart

**muscular arteries