Answer:
The main glands that produce sex hormones are the adrenal glands and the gonads, which include the ovaries in females and testes in males. Sex hormones are also important for a range of bodily functions and a person's general health.
Explanation:
adrenal glands and the gonqds pqrt of the body regulate sex hormones .
The type of joint that allows bones to move backward and forward in only one direction is the hinge joints. Ball and socket are the joints that allows movement in all directions. Gilding joints are type of joints that are the vertebral disks that allow twisting, turning, and sliding. Hinge joints are formed between two or more bones where the bones can only move along one axis to flex or extend. They include the ankle, elbow and knee joints.
Answer:
Shark is hyperosmotic relative to sea water.
Explanation:
The sharks that live in the marine environment do not need to drink sea water unlike others.
This is because the concentration of the urea and oxide is trimethyl amine gets deposited in the tissues of the shark which is hyper osmotic condition to the outside environment( sea water).
There is an adequate amount of potassium, sodium and chloride in the body of shark.
This is how the shark maintains the osmoregulatory mechanism in marine environment.
Answer:
c.
Explanation:
because is an interval of geological time from about 252 to 66 million years ago.