Q: Besides the inner membrane, where are many respiratory enzymes found? Choices: - alveoli - golgi apparatus - cytoplasm - the matrix A:
the matrix

Q: Which body part helps roundworm prevent their body from expanding? Choices: - scales - plate - skin - tough cuticle covering A:
tough cuticle covering

Q: The heart is a muscular organ that pumps blood through which system? Choices: - endocrine - pulmonary - nervous - circulatory A:
circulatory