Question

Which features make capillaries great for

exchanging substances between the
blood & cells? (select all that apply)
the blood pressure is much lower & the flood
flows slower, allowing time for exchange
they are permeable & allow substances
in/out
they have a very large total cross sectional
area for the exchange
they are only one cell layer thick

Answer 1

All of the following features make capillaries great for exchanging substances between the blood and cells:

The blood pressure is much lower and the flow is slower, allowing time for exchange

They are permeable and allow substances to move in and out

They have a very large total cross-sectional area for exchange

They are only one cell layer thick, which facilitates rapid diffusion of substances across their walls.

Step-by-step explanation: