Question

1. how does the sacrum differ in the male and female body?

a. in the male, the sacrum is shorter and wider than in the female and directed more obliquely forward, decreasing the size of the pelvic cavity.
b. in the male, the sacrum is shorter and wider than in the female and directed more obliquely backward, increasing the size of the pelvic cavity.
c. in the female, the sacrum is longer and narrower than in the male and directed more obliquely forward, decreasing the size of the pelvic cavity.
d. in the female, the sacrum is shorter and wider than in the male and directed more obliquely backward, increasing the size of the pelvic cavity.

Explanation:

The female sacrum is shorter, wider, and more obliquely backward - directed to accommodate child - birth by increasing the pelvic cavity size. In males, the sacrum is longer, narrower, and more obliquely forward - directed.

Answer:

d. In the female, the sacrum is shorter and wider than in the male and directed more obliquely backward, increasing the size of the pelvic cavity.