There are four human body systems listed below with functions. only one of them is correct. fix the other three functions so they are correct circulatory system: makes cells for the skeletal system skeletal system: makes cells for the circulatory system muscular system: makes cells for the digestive system digestive system: makes cells for the muscular systems

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

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time