1. the point where the muscle attaches to the bone to be pulled is called the
a. origin
b. insertion
c. sarcomere

2. the endocrine system produces which are chemical messengers that carry a specific message to certain body cells.
a. hormones
b. dendrites
c. feedback mechanisms

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

biology is the study of life. it is the study of living organism.

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah