Answer:
B. QRS wave
Explanation:
The position of QRS wave on an electrocardiogram corresponds with the point of highest blood pressure in the vessels leaving the heart. Hence, option (b) is the correct answer.
Answer:
Urinary excretion
Explanation:
The main function of the kidney is the excretion of body wastes and harmful chemicals into the urine. The nephron is the functional unit of the kidney responsible for excretion.
The answer is true hope this helps
