(Question)
Q: What debated therapy offers a potential method for replacing neurons lost to injury or disease? Read this paragraph and choose the correct option from the provided answers: Choices: - cell production therapy - stem cell reduction - cell duplication - stem cell therapy A:
(Answer)
stem cell therapy

(Question)
Q: The human skeleton is an endoskeleton that consists of 206 bones in the adult. it has five main functions: providing support to the body, storing minerals and lipids, producing blood cells, protecting internal organs, and this? Read this paragraph and choose the correct option from the provided answers: The human skeleton is an endoskeleton that consists of 206 bones in the adult. It has five main functions: providing support to the body, storing minerals and lipids, producing blood cells, protecting internal organs, and allowing for movement. The skeletal system in vertebrates is divided into the axial skeleton (which consists of the skull, vertebral column, and rib cage), and the appendicular skeleton (which consists of the shoulders, limb bones, the pectoral girdle, and the pelvic girdle). Choices: - Forward movement - enough movement - more movement - allowing movement A:
(Answer)
allowing movement

(Question)
Q: What are external skeletons known as? Read this paragraph and choose the correct option from the provided answers: By the beginning of the Paleozoic, organisms had developed shells. Shells could hold their soft tissues together. They could protect the organisms from predators and from drying out. Some organisms evolved external skeletons, called exoskeletons. Organisms with hard parts also make good fossils. Fossils from the Cambrian are much more abundant than fossils from the Precambrian. Choices: - tentacles - exoskins - scales - exoskeletons A:
(Answer)
exoskeletons