Answer:
A heart is a cardiac muscle.
Explanation:
It pumps blood through the body.
False. Proteins, Carbs, Lipids, they all give nutrition.
Every month or once a month an egg will mature within the woman's ovaries. Once it reaches maturity it leaves the ovary and being push down in the fallopian tube where it will be fertilize and may meet up a sperm. This is what we call Ovulation.
Answer:
https://www.csn.es/radiacion-natural-y-artificial2
Start with your producers, or plants (grasses, flowers, etc.). Then your 1st level consumers (herbivores), like grasshoppers, mice, etc. Then your second level producers (carnivores and omnivores) that eat the herbivores (like birds). And keep going, knowing each of the levels get eaten by each other. 10% of energy is transferred in each level. An example might be...
Grass > Mice > Hawk > Vulture