1. The heart muscle cells need plenty of oxygen and nutrients so it needs its own blood supply.
2. The heart needs to have a blood supply to get ride of wastes.
Hope that helps. -UF aka Nadia
Answer:
B. Black fur
Explanation:
The last two options are normal to a bird.
Answer:
The answer is D
Explanation:
Energy flows from the producers grass and plants, to the prey small animals, then to the predators.
Answer:
Explanation:
for number 1, Kinesiology is a sophisticated word for the study of movement, a relatively new and exciting area of learning. In 1990, the American Academy of Physical Education resolved to identify a common name and focus in order to describe the academic discipline and to unite the field.
