Which of the following best describes the function for the organelle labelled ‘d’?
(a) moves substances across the cell membrane
(b) transports materials around the cell
(c) controls all cell activities
(d) packages materials for export from the cell

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.