Answer:
A
Explanation:
because the common for all muscle is fatigue when when much movement
create new blood cell process is usually take place in bone marrow.
not all muscle are involuntary . smooth muscle and cardiac muscle are involuntary
Answer:
Exercise boosts energy
Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.
The primary source of energy for almost every ecosystem on Earth is the sun
Halley's Comet. Halley's Comet is the most famous of all comets
Shoemaker Levy-9.
Hyakutake.
Hale Bopp.
Comet Borrelly
IF HELPFUl mark brainliest
