Explain the spatial relationship between the following: thoracic cavity, pericardial cavity, ventral cavity, mediastinum
What will be an ideal response?
The pericardial cavity is a potential space between membranes that reside within the mediastinum. The mediastinum sits medially within the thoracic cavity. The thoracic cavity is the superior portion of the ventral body cavity.
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Both the proximal convoluted tubule and the distal convoluted tubule reside in the cortex of the kidney
Indicate whether this statement is true or false.
Azoospermia means:
A) absence of sperm production B) absence of a testicle C) abnormally formed sperm D) disease of sperm
The two hormones released by the thyroid gland are ________
A) calcitonin and thyroid hormone B) calcitonin and parathyroid hormone (PTH) C) thyroid hormone and parathyroid hormone (PTH) D) prolactin (PRL) and oxytocin E) oxytocin and antidiuretic hormone (ADH)
Which of the following statements is true regarding the yolk sac in human embryos?
A. It is the source of the first blood cells. B. It gives rise to the digestive tract. C. It allows for gas exchange. D. It allows for the passage of waste. E. It is the major source of nutrients for the embryo.