Which statement correctly describes a level of organization in the human circulatory system? Answers:

Cells are only present in tissues.

O Organ systems are only present in cells.

Tissues are made up of many organs.

Organs are made up of many tissues.

Could someone me with number one you

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an