Answer:
need more info to answer question
Answer:
how many curl-ups you can do at a constant rate of time.
Explanation:
The curl-up test measures student's ability on how many <em>correct </em>curl-ups they can do at a constant rate of time.
Answer: Bone marrow
Explanation:
Bone marrow can be defined as a spongy tissue inside our bones like femur, and hip bones. The bone marrow comprises of stem cells which will differentiate and divide to produce red blood cells. The role of red blood cells is to supply oxygen to all the parts of the human body. The bone marrow is also the site of calcium deposition. The bones consists of more amount of calcium then any other organ in the body. The bones comprises of calcium salts like calcium phosphate.
cell
nucleus
chromosome
DNA
gene
Explanation: I’m not sure if I’m correct, but I hope this helps.
