Q: What is contained in the cavity of a long bone's central shaft? Choices: - blood - calcium - cells - marrow A:
marrow

(Question)
Q: Gravitational force on a large scale dominates interactions between large objects because it is always what? Choices: - ugly - vulnerable - suitable - attractive A:
(Answer)
attractive

Ques: Q: When a stream flows from a hard to soft rock area, what is often formed? Choices: - a lake - a river - a riverbank - a waterfall A:
Ans: a waterfall

(Q).
Q: What produces hormones referred to as thymosins, which contribute to the development of the immune response in infants? Choices: - pancreas - heart - receptors - thymus A:
(A).
thymus

Ques:Q: What is the process in which cells break down glucose, release the stored energy, and use it to make atp Choices: - reproduction - photosynthesis - electromagnetic respiration - cellular respiration A:

Ans:cellular respiration

Q: The duodenum has a major role in regulating what digestive organ and its emptying? Choices: - kidneys - skin - respiratory - stomach A:
stomach