Answer:
A blood donor is a person who donates blood and a blood recipient is a person who receives donated blood.
Explanation:
In multi-celullar organisms , the cell cycle produces groups of cells that perform the same function. These groups of cells form what it is called a tissue. A tissue is made up of cells that all are specialised to perform the same function. A bunch of tissues form an organ. Organs are more complex in structure and functions.
lots of different organs together form an organ system.
<span>Organic compounds such as glucose are broken down to release energy during cellular respiration.</span>
Answer:
The Hz would change
Explanation:
For example, a wave with a time period of 2 seconds has a frequency of 1 ÷ 2 = 0.5 Hz.