21. Which type of tissue lines the inner surfaces of organs and blood vessels?
a) Epithelial tissue
b) Nervous tissue
c) Connective tissue
d) Muscle tissue
Answer: a) Epithelial tissue
22. Which type of connective tissue attaches muscle to bone?
a) Ligaments
b) Tendons
c) Cartilage
d) Adipose tissue
Answer: b) Tendons
23. Which type of muscle tissue is responsible for involuntary movements?
a) Skeletal muscle
b) Smooth muscle
c) Cardiac muscle
d) Striated muscle
Answer: b) Smooth muscle
24. What is the innermost layer of the skin called?
a) Epidermis
b) Dermis
c) Hypodermis
d) Subcutaneous layer
Answer: d) Subcutaneous layer
25. Which type of tissue is responsible for transmitting pain signals?
a) Epithelial tissue
b) Nervous tissue
c) Connective tissue
d) Muscle tissue
Answer: b) Nervous tissue