The human digestive system is approximately 900 cm long. Food is moved through the digestive tract primarily by - А
bile produced by the pancrease
B
the enzymes amylase and pepsin
с
muscular contractions
D
chewing the food

What type of cell is produced after fertilization occurs and the gametes combines ?

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction