What is the central region of the thoracic cavity containing the heart?
Which of the following is the region of the thoracic cavity where the heart is located?
What cavity contains the heart?
The thoracic cavity contains the lungs and the heart, which is located in the mediastinum. The diaphragm forms the floor of the thoracic cavity and separates it from the more inferior abdominopelvic cavity. The abdominopelvic cavity is the largest cavity in the body.
What does the thoracic cavity contain?
The thorax is the body cavity, surrounded by the bony rib cage, that contains the heart and lungs, the great vessels, the esophagus and trachea, the thoracic duct, and the autonomic innervation for these structures.
What is the thoracic cavity and its function?
It contains the lungs, the middle and lower airways—the tracheobronchial tree—the heart, the vessels transporting blood between the heart and the lungs, the great arteries bringing blood from the heart out into general circulation, and the major veins into which the blood is collected for transport back to the heart.
What are the boundaries of the abdominal cavity?
Its upper boundary is the diaphragm, a sheet of muscle and connective tissue that separates it from the chest cavity; its lower boundary is the upper plane of the pelvic cavity. Vertically it is enclosed by the vertebral column and the abdominal and other muscles.
What organ is found in the spinal cavity?
What organ is found in the pelvic cavity?
What are the two kinds of joints found in the body?
What are the different types of joints?
- Ball-and-socket joints. Ball-and-socket joints, such as the shoulder and hip joints, allow backward, forward, sideways, and rotating movements.
- Hinge joints.
- Pivot joints.
- Ellipsoidal joints.
What are the three main kinds of joints?
There are three types of joints in the structural classification: fibrous, cartilaginous, and synovial joints.
- Fibrous joints are joints in which bones are joined by dense connective tissue that is rich in collagen fibers.
- Cartilaginous joints are joints in which bones are joined by cartilage.
How does movement occur in humans?
Movements of the body are brought about by the harmonious contraction and relaxation of selected muscles. Contraction occurs when nerve impulses are transmitted across neuromuscular junctions to the membrane covering each muscle fibre. Skeletal muscles are attached to bones and produce movement at the joints. …