A. cod-liver oil
B. properly varied diet
C. vitamin injections
D. vitamin pills

A. aorta
B. pulmonary artery
C. hepatic artery
D. pulmonary vein

A. proteins
B. starch
C. fats
D. None above

A. the happy looking and living among the
men
B. secretions of liver
C. secretions of ductless glands
D. the bone marrow

A. A
B. o
C. B
D. AB

A. carry oxygen
B. carry food
C. remove waste
D. carry heat
E. All of above

A. square shaped
B. triangular shaped
C. oval shaped
D. None of above

A. of excessive activity
B. of excessive heat produced in our body
C. excessive lactic acid
D. of body weight

A. Vitamin D
B. Vitamin K
C. Vitamin C
D. Vitamin A

A. milk
B. eggs (yolk)
C. liver
D. cod liver oil
E. All of above