Answer:
Label A. is probably Mitochondria, and Label B. is probably the nucleaus, but Im not sure about C. The ribisome or the endopplasmic reticulam, maybe??
Explanation:
Answer:
When exercising your muscles need more oxygen. Therefore your heart needs to pump more blood (which carries oxygen) to your muscles.
Answer:
Group 1 of frogs.
Explanation:
It is the first thing because you have to note which of the frogs you're talking about before you start.
It forms and keeps their organism alive and healthy by processing food and producing energy and healing wounds. These cells create tissue and tissue makes organs and organs make organ systems
El intestino pequeño absorbe la mayoría de los nutrientes en los alimentos y el sistema circulatorio los pasa a otras partes del cuerpo donde son usados y guardados para más tarde
