The answer you were looking for is called parasites
We shouldn’t be responsible children should learn to self sooth
Answer:Option D
Explanation:
The cardiac output is said to be the volume of the blood that is pumped by the heart every minute.
It varies according to the demand of the body. It can be calculated by the multiplying the heart rate and strove volume.
The cardiac output of the body changes according to the physical and emotional needs of the people.
Number of heartbeats per minute is known as the heart rate and the volume of blood pumped out with each heart beat is the stoke volume.
If these two are more then the cardiac output is also more.
The answer to this question would be: vitamin D
The UV is needed by the skin to make previtamin D3. Previtamin D3 or cholecalciferol made from the skin will be changed in the liver into 25- hydroxyvitamin D3 and then sent to the kidney to be changed into 1,25- dihydroxyvitamin D3. The last change in the kidney will active the vitamin D. Vitamin D has a role in the calcium absorption which was will strengthen the bone tissue.