True, a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
Hypothalamus and pituitary glands are two endocrine glands that are made of a mixture of nervous and epithelial tissues. The endocrine system is made up with a series of glands located around the body. These glands includes the pituitary gland, thyroid glands, parathyroid glands, thymus, pancreas adrenal glands among others. Each of the glands produces hormones, which have a specific function in the body.
Answer:
They carry energy
Explanation:
Because energy is carried by changes in matter
Observation the action or process of observing something or someone carefully or in order to gain information:
The body contains about a trillion cells
