When a person breathes, the lungs absorb oxygen, which is used by cells to carry out the process of

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?