Which gland secretes growth hormone?
a. hypothalamus
b. pituitary gland
c. thyroid gland
d. adrenal gland user:
fertilization of the human egg cell usually occurs in the
a. uterus.
b. vagina.
c. fallopian tube.
d. ovary.

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides