Ques: Q: Pacemaker cells stimulate the spontaneous contraction of cardiac muscle as a functional unit, called a what? Choices: - coenocyte - tapetum - adipocytes - syncytium A:
Ans: syncytium

Ques: Q: Elemental carbon is a black, dull-looking solid that conducts heat and this? Choices: - light - energy - vibration - electricity A:
Ans: electricity

Ques: Q: What type of tissue consists of cells that cover inner and outer body surfaces? Choices: - Soft Tissue - aberrant ? - mitochondrial ? - epithelial? A:
Ans: epithelial?

Ques: Q: What bodily system handles taking in oxygen, getting rid of carbon dioxide, aiding in speech production and sensing odors? Choices: - pulmonary system - circulatory system - nervous system - respiratory system A:
Ans:
respiratory system