When breathing out forcefully, which muscles are contracting?

Which sequence shows the shortest route taken by blood travelling from a leg to an arm in the human body?

Table 2.1 shows the volume of blood supplied to parts of the body at rest and during strenuous exercise. Table 2.1 vo…

Table 5.1 shows the mean daily water intake and loss by a person. Table 5.1 water intake / dm³ wate…

What shows how the rate of transpiration changes when conditions in the atmosphere change?

What is the main cause of water moving up to the leaves in xylem vessels?

Which of these processes rely on respiration? 1 movement of water into cells 2 muscle contraction 3 protein synthesis