A student went for a short run to investigate the effect of physical activity on his pulse rate. The resting pulse rate for the student was 60 beats per minute and during exercise his pulse rate
increased to 144 beats per minute.
Calculate the percentage increase in pulse rate.

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

The transport tubes from food came down the plant are called?

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane