* 7. Explain why there is a difference in the amount of oxygen taken in at rest and during the vigorous activity. (3) * tatti (3) 8. Explain how the body is able to increase its oxygen Intake during exercise NBI NBI NBI NBI NBI NBI NBI Obtain a lung from the butcher/ slaughter house to illustrate the function of TOTAL 30 MARKS​

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d