The periosteum is a tissue that serves only to protect the bone because it is not supplied with nerves or blood vessels. t/f

Chicken pox and hepatitis are bacterial diseases. true or false?

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

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